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                        MORTGAGE LOAN PURCHASE AGREEMENT

        This is a Mortgage Loan Purchase Agreement (the "Agreement") dated as of
November 29, 2001 among GMAC Mortgage Corporation,  a Pennsylvania  corporation,
having an office at 100 Witmer  Road,  Horsham,  Pennsylvania  19044,  as seller
("GMACM"),  Witmer Funding LLC, a Delaware limited liability company,  having an
office at 100  Witmer  Road,  Horsham,  Pennsylvania  19044,  c/o GMAC  Mortgage
Corporation,  as seller ("Witmer" and,  together with GMACM, each a "Seller" and
collectively,  the "Sellers") and Residential Asset Mortgage  Products,  Inc., a
Delaware  corporation,  having  an  office at 8400  Normandale  Lake  Boulevard,
Minneapolis, Minnesota 55437 (the "Purchaser").

        WHEREAS,  GMACM,  in the ordinary  course of its  business  acquires and
originates  mortgage  loans and acquired or originated all of the mortgage loans
listed  on the  Mortgage  Loan  Schedule  attached  as  Schedule  I hereto  (the
"Mortgage Loans");

        WHEREAS,  GMACM  sold a  portion  of the  Mortgage  Loans  (the  "Witmer
Mortgage Loans"), to Witmer,  pursuant to a Mortgage Loan Purchase and Servicing
Agreement (the "Witmer Purchase Agreement"), dated as of October 31, 2001, among
Witmer,  as  purchaser,  GMACM,  as seller and  servicer,  and GMAC  Residential
Holding Corp., as performance guarantor;

        WHEREAS,  GMACM owns the Cut-off Date Principal Balances for the portion
of Mortgage Loans identified on the Mortgage Loan Schedule  attached as Schedule
I-A hereto (the "GMACM Mortgage Loans");

        WHEREAS,  Witmer owns the Cut-off Date Principal  Balances of the Witmer
Mortgage Loans identified on the Mortgage Loan Schedule attached as Schedule I-B
hereto;

        WHEREAS, the parties hereto desire that: (i) GMACM sell the Cut-off Date
Principal  Balances of the GMACM  Mortgage Loans to the Purchaser on the Closing
Date pursuant to the terms of this  Agreement,  and (ii) Witmer sell the Cut-off
Date  Principal  Balances of the Witmer  Mortgage  Loans to the Purchaser on the
Closing Date pursuant to the terms of this Agreement;

        WHEREAS,  the parties  hereto desire that GMACM  continue  servicing the
Witmer Mortgage Loans and the GMACM Mortgage Loans; and

        WHEREAS,  GMACM  has  entered  into  an  Amended  and  Restated  Limited
Liability  Company  Agreement (the "LLC Agreement") dated as of October 31, 2001
with Witmer Member Corp. and Bank One,  National  Association  pursuant to which
GMACM has been  appointed  the  administrator  of Witmer (the  "Administrator"),
pursuant to which GMACM is authorized  to execute  documents on behalf of Witmer
and cause  Witmer to deliver or perform the  obligations  of Witmer set forth in
such documents;

        NOW,  THEREFORE,   in  consideration  of  the  mutual  covenants  herein
contained, the parties hereto agree as follows:

        The following terms are defined as follows:

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Aggregate Principal Balance
(as of the Cut-off Date): $337,216,757.58  (after deduction of scheduled
                          principal   payments  due  on  or  before  the
                          Cut-off Date,  whether or not  collected,  but
                          without  deduction  of  prepayments  that  may
                          have  been  made  but  not   reported  to  the
                          Sellers  as of the close of  business  on such
                          date).  With  respect  to the  GMACM  Mortgage
                          Loans,  $37,410,565.82.  With  respect  to the
                          Witmer Mortgage Loans, $299,806,191.76.
Closing Date:             November 29,  2001,  or such other date as may
                          be agreed upon by the parties hereto.
Cut-off Date:             November 1, 2001.
Mortgage                  Loan:     A     fixed     rate,
                          fully-amortizing,  first  lien,
                          residential        conventional
                          mortgage  loan having a term of
                          not  more  than  30  years  and
                          secured by Mortgaged Property.
Mortgaged Property:       A single  parcel of real  property on which is
                          located a detached single-family  residence, a
                          two-to-four family dwelling,  a townhouse,  an
                          individual  condominium unit, or an individual
                          unit  in  a  planned  unit  development,  or a
                          proprietary    lease    in   a   unit   in   a
                          cooperatively-owned   apartment  building  and
                          stock in the related cooperative corporation.
Pooling                   and  Servicing  Agreement:  The
                          pooling      and      servicing
                          agreement, dated as of November
                          29,  2001,  among   Residential
                          Asset Mortgage Products,  Inc.,
                          as   company,   GMAC   Mortgage
                          Corporation,  as  servicer  and
                          Bank One, National Association,
                          as trustee (the "Trustee").
Repurchase Event:         With respect to any Mortgage  Loan as to which
                          the  related  Seller   delivers  an  affidavit
                          certifying  that the  original  Mortgage  Note
                          has  been  lost  or  destroyed,  a  subsequent
                          default   on   such   Mortgage   Loan  if  the
                          enforcement   thereof   or  of   the   related
                          Mortgage is materially and adversely  affected
                          by the absence of such original Mortgage Note.

All  capitalized  terms used but not  defined  herein  shall  have the  meanings
assigned  thereto in the Pooling and  Servicing  Agreement.  The parties  intend
hereby  to  set  forth  the  terms  and  conditions   upon  which  the  proposed
transactions  will be effected  and, in  consideration  of the  premises and the
mutual agreements set forth herein, agree as follows:

                                       2
<PAGE>

SECTION 1. Agreement to Sell and Purchase  Mortgage Loans.  GMACM agrees to sell
to the  Purchaser  and the  Purchaser  agrees to  purchase  from GMACM the GMACM
Mortgage  Loans having an aggregate  principal  balance  equal to the  Aggregate
Principal  Balance of the GMACM  Mortgage  Loans.  Witmer  agrees to sell to the
Purchaser  and the  Purchaser  agrees to  purchase  from Witmer  certain  Witmer
Mortgage  Loans having an aggregate  principal  balance  equal to the  Aggregate
Principal Balance of the Witmer Mortgage Loans.

SECTION 2.  Mortgage  Loan  Schedule.  GMACM has  provided  to the  Purchaser  a
schedule  setting forth all of the GMACM  Mortgage  Loans to be purchased on the
Closing Date under this  Agreement,  which shall be attached  hereto as Schedule
I-A ("GMACM Mortgage Loan Schedule").  GMACM on behalf of Witmer has provided to
the Purchaser a schedule  setting forth all of the Witmer  Mortgage  Loans to be
purchased  on the  Closing  Date under this  Agreement,  which shall be attached
hereto as Schedule I-B ("Witmer  Mortgage Loan Schedule" and,  together with the
GMACM Mortgage Loan Schedule, the "Mortgage Loan Schedule").

SECTION 3. Purchase Price of Mortgage  Loans.  The purchase price (the "Purchase
Price") to be paid to GMACM by the Purchaser for the GMACM  Mortgage Loans shall
be the sum of (i) $38,  487,626.99 and (ii) the Class PO, Class IO  Certificates
and a 0.01% Percentage  Interest in each of the Class R-I Certificates and Class
R-II Certificates  issued pursuant to the Pooling and Servicing  Agreement.  The
Purchase  Price to be paid to Witmer by the  Purchaser  for the Witmer  Mortgage
Loans  shall be an amount  equal to  $308,437,699.98.  The cash  portion  of the
Purchase  Price  due to GMACM  shall  be paid by wire  transfer  of  immediately
available  funds on the Closing  Date to the  account  specified  by GMACM.  The
Purchase  Price  due to Witmer  shall be paid by wire  transfer  of  immediately
available funds on the Closing Date to the account specified by Witmer.

        The Purchaser and Sellers  intend that the  conveyance by the Sellers to
the Purchaser of each of the Seller's right,  title and interest in and to their
respective  Mortgage Loans pursuant to this Agreement shall be, and be construed
as, a sale of their  respective  Mortgage  Loans by the  related  Seller  to the
Purchaser.  It is, further,  not intended that such conveyance be deemed to be a
grant  of a  security  interest  in the  Mortgage  Loans by each  Seller  to the
Purchaser to secure a debt or other obligation of such Seller.  However,  in the
event that the Mortgage Loans are held to be property of the related Seller,  or
if for any reason this Agreement is held or deemed to create a security interest
in the Mortgage Loans, then it is intended that, (a) this Agreement shall be and
hereby  is a  security  agreement  within  the  meaning  of  Articles  9 of  the
Pennsylvania  Uniform  Commercial  Code and the Uniform  Commercial  Code of any
other applicable  jurisdiction;  (b) the conveyance provided for in this Section
shall be deemed to be, and hereby is, a grant by each Seller to the Purchaser of
a security  interest in such Seller's  right,  title and  interest,  whether now
owned or hereafter  acquired,  in and to the  following:  (A) the Mortgage Loans
sold by such Seller,  including (i) with respect to each  Cooperative  Loan, the
related  Mortgage Note,  Security  Agreement,  Assignment of Proprietary  Lease,
Cooperative  Stock  Certificate,  Cooperative  Lease,  (ii) with respect to each
Mortgage  Loan other than a  Cooperative  Loan,  the related  Mortgage  Note and
Mortgage and (iii) any insurance policies and all other documents in the related
Mortgage  File,  (B) all  amounts  payable  pursuant  to the  Mortgage  Loans in
accordance with the terms thereof, (C) all proceeds of the conversion, voluntary
or  involuntary,  of the foregoing into cash,  instruments,  securities or other
property,  (D) all accounts,  general intangibles,  chattel paper,  instruments,
documents,  money, deposit accounts, goods, letters of credit,  letter-of-credit
rights,  oil, gas, and other minerals,  and investment  property  consisting of,
arising  from or relating to any of the  foregoing  and (E) all  proceeds of the
foregoing;  (c) the possession by the Trustee,  the Custodian or any other agent
of the Trustee of any of the  foregoing  shall be deemed to be possession by the
secured party,  or possession by a purchaser or a person holding for the benefit
of such secured party, for purposes of perfecting the security interest pursuant
to the Pennsylvania  Uniform  Commercial Code and the Uniform Commercial Code of
any other applicable jurisdiction (including, without limitation, Sections 9-313
and 9-314 thereof);  and (d) notifications to persons holding such property, and
acknowledgments,  receipts or confirmations  from persons holding such property,
shall be deemed notifications to, or acknowledgments,  receipts or confirmations
from, securities  intermediaries,  bailees or agents of, or persons holding for,
the Trustee (as applicable) for the purpose of perfecting such security interest
under  applicable  law. Each Seller shall,  to the extent  consistent  with this
Agreement,  take such reasonable  actions as may be necessary to ensure that, if
this  Agreement  were  determined to create a security  interest in the Mortgage
Loans and the other property  described above,  such security  interest would be
determined  to  be  a  perfected  security  interest  of  first  priority  under
applicable  law and  will be  maintained  as such  throughout  the  term of this
Agreement.  Without limiting the generality of the foregoing,  each Seller shall
prepare and deliver to the  Purchaser  not less than 15 days prior to any filing
date, and the Purchaser  shall file, or shall cause to be filed,  at the expense
of each  Seller,  all filings  necessary to maintain  the  effectiveness  of any
original filings necessary under the Uniform Commercial Code as in effect in any
jurisdiction to perfect the Purchaser's security interest in the Mortgage Loans,
including  without  limitation (x) continuation  statements,  and (y) such other
statements  as may be occasioned by (1) any change of name of such Seller or the
Purchaser,  (2) any  change  of type or  jurisdiction  of  organization  of such
Seller, or (3) any transfer of any interest of such Seller in any Mortgage Loan.

                                       3
<PAGE>

        Notwithstanding  the  foregoing,  (i) GMACM in its  capacity as Servicer
shall  retain all  servicing  rights  (including,  without  limitation,  primary
servicing  and master  servicing)  relating  to or arising  out of the  Mortgage
Loans,  and all rights to receive  servicing  fees,  servicing  income and other
payments made as compensation for such servicing granted to it under the Pooling
and Servicing  Agreement  pursuant to the terms and conditions set forth therein
(collectively,  the  "Servicing  Rights") and (ii) the Servicing  Rights are not
included  in the  collateral  in which the  Sellers  grant a  security  interest
pursuant to the immediately preceding paragraph.

SECTION 4. Record Title and  Possession  of Mortgage  Files.  Each Seller hereby
sells,  transfers,  assigns,  sets over and  conveys to the  Purchaser,  without
recourse,  but subject to the terms of this  Agreement  and each  Seller  hereby
acknowledges that the Purchaser,  subject to the terms of this Agreement,  shall
have all the right,  title and  interest  of such  Seller in and to the  related
Mortgage Loans. From the Closing Date, but as of the Cut-off Date, the ownership
of each Mortgage Loan,  including the Mortgage Note, the Mortgage,  the contents
of the related Mortgage File and all rights, benefits,  proceeds and obligations
arising therefrom or in connection therewith,  has been vested in the Purchaser.
All rights arising out of the Mortgage Loans including,  but not limited to, all
funds  received on or in connection  with the Mortgage  Loans and all records or
documents  with respect to the Mortgage Loans prepared by or which come into the
possession  of the related  Seller  shall be received and held by such Seller in
trust for the  exclusive  benefit of the  Purchaser as the owner of the Mortgage
Loans. On and after the Closing Date, any portion of the related  Mortgage Files
or servicing  files  related to the Mortgage  Loans (the  "Servicing  Files") in
either Seller's  possession shall be held by GMACM in a custodial  capacity only
for the benefit of the Purchaser and shall be promptly delivered to GMACM in the
case of the Mortgage  Files or Servicing  Files in possession  of Witmer.  GMACM
shall  release its custody of any  contents  of the  related  Mortgage  Files or
Servicing Files only in accordance with written instructions of the Purchaser or
the Purchaser's designee.

SECTION 5. Books and Records.  The sale of each Mortgage Loan has been reflected
on each  Seller's  balance  sheet and other  financial  statements  as a sale of
assets by such Seller.  Each Seller shall be responsible  for  maintaining,  and
shall maintain, a complete set of books and records for the Mortgage Loans which
shall be  appropriately  identified in such Seller's  computer system to clearly
reflect the ownership of the Mortgage Loans by the Purchaser.

                                       4
<PAGE>

SECTION 6.     Delivery of Mortgage Notes.
               --------------------------

(a) On or prior to the Closing Date, in connection  with the conveyance by GMACM
of the  GMACM  Mortgage  Loans  sold by it and the  conveyance  by Witmer of the
Witmer  Mortgage  Loans sold by it, GMACM shall  deliver to the Purchaser or the
Custodian,  as directed by the  Purchaser,  the  original  Mortgage  Note,  with
respect to each Mortgage Loan so assigned,  endorsed  without recourse in blank,
or in the name of the Trustee as trustee,  and signed by an  authorized  officer
(which  endorsement  shall contain  either an original  signature or a facsimile
signature of an authorized  officer of GMACM,  and if in the form of an allonge,
the  allonge  shall be  stapled  to the  Mortgage  Note),  with all  intervening
endorsements  showing a complete chain of title from the originator to GMACM. If
the Mortgage Loan was acquired by the endorser in a merger, the endorsement must
be by  "____________,  successor  by  merger to [name of  predecessor]".  If the
Mortgage Loan was acquired or originated  by the endorser  while doing  business
under another name, the endorsement must be by  "____________  formerly known as
[previous  name]." The delivery of each  Mortgage  Note to the  Purchaser or the
Custodian is at the expense of GMACM.

               In lieu of delivering  the Mortgage Note relating to any Mortgage
Loan,  the Sellers may  deliver or cause to be  delivered a lost note  affidavit
from the related  Seller or GMACM  stating that the original  Mortgage  Note was
lost,  misplaced  or  destroyed,  and,  if  available,  a copy of each  original
Mortgage Note; provided,  however, that in the case of Mortgage Loans which have
been  prepaid  in full after the  Cut-off  Date and prior to the  Closing  Date,
GMACM, in lieu of delivering the above documents, may deliver to the Purchaser a
certification  to such effect and shall  deposit all amounts  paid in respect of
such Mortgage Loan in the Payment Account on the Closing Date.

(b) If any Mortgage  Note is not delivered to the Purchaser (or the Custodian as
directed by the Purchaser) or the Purchaser discovers any defect with respect to
a Mortgage  Note which  materially  and  adversely  affects the interests of the
Certificateholders in the related Mortgage Loan, the Purchaser shall give prompt
written  specification of such defect or omission to GMACM, and GMACM shall cure
such defect or omission in all material  respects or  repurchase  such  Mortgage
Loan or substitute a Qualified  Substitute Mortgage Loan in the manner set forth
in Section  7.03. It is  understood  and agreed that the  obligation of GMACM to
cure a material  defect in, or substitute  for, or purchase any Mortgage Loan as
to which a material  defect in, or omission of, a Mortgage  Note  exists,  shall
constitute the sole remedy respecting such material defect or omission available
to  the   Purchaser,   Certificateholders   or  the   Trustee   on   behalf   of
Certificateholders.

(c) All  other  documents  contained  in the  Mortgage  File  and  any  original
documents  relating to the Mortgage  Loans not contained in the Mortgage File or
delivered to the  Purchaser,  are and shall be retained by the Servicer in trust
as agent for the Purchaser.

               In the event that in connection  with any Mortgage  Loan: (a) the
original recorded Mortgage (or evidence of submission to the recording  office),
(b) all interim recorded  assignments,  (c) the original  recorded  modification
agreement,  if required,  or (d) evidence of title insurance  (together with all
riders  thereto,  if any) satisfying the  requirements of clause (I)(ii),  (iv),
(vi) or (vii) of the  definition of Mortgage File,  respectively,  is not in the
possession of the Servicer  concurrently  with the execution and delivery hereof
because such document or documents  have not been  returned from the  applicable
public  recording  office,  or, in the case of each such interim  assignment  or

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<PAGE>

modification  agreement,  because the related  Mortgage has not been returned by
the appropriate recording office, in the case of clause (I)(ii), (iv) or (vi) of
the definition of Mortgage File, or because the evidence of title  insurance has
not been  delivered  to the related  Seller by the title  insurer in the case of
clause  (I)(vii) of the  definition of Mortgage File, the Servicer shall use its
best efforts to obtain,  (A) in the case of clause (I)(ii),  (iv) or (vi) of the
definition of Mortgage File, such original Mortgage, such interim assignment, or
such modification  agreement,  with evidence of recording indicated thereon upon
receipt thereof from the public recording office, or a copy thereof,  certified,
if appropriate,  by the relevant  recording office, or (B) in the case of clause
(I)(vii) of the definition of Mortgage File, evidence of title insurance.

(d) If any of the  documents  held by the Servicer  pursuant to clause (c) above
are  missing or  defective  in any other  respect and such  missing  document or
defect materially and adversely affects the interests of the  Certificateholders
in the related  Mortgage Loan, GMACM shall cure or repurchase such Mortgage Loan
or  substitute a Qualified  Substitute  Mortgage Loan in the manner set forth in
Section 7.03. It is understood and agreed that the obligation of GMACM to cure a
material defect in, or substitute for, or purchase any Mortgage Loan as to which
a  material  defect in or  omission  of a  constituent  document  exists,  shall
constitute the sole remedy respecting such material defect or omission available
to  the   Purchaser,   Certificateholders   or  the   Trustee   on   behalf   of
Certificateholders.

(e) If any assignment is lost or returned  unrecorded to the Servicer because of
any defect  therein,  GMACM shall  prepare a substitute  assignment or cure such
defect,  as the case may be, and the Servicer shall cause such  assignment to be
recorded in accordance with this Section.

SECTION 7.     Representations and Warranties.

SECTION 7.01.  Representations and Warranties of Sellers.  (i) GMACM represents,
warrants  and  covenants to the  Purchaser  that as of the Closing Date or as of
such date specifically provided herein:

               (a) GMACM is a corporation  duly organized,  validly existing and
in good standing under the laws of the  Commonwealth of  Pennsylvania  and is or
will be in  compliance  with the  laws of each  state  in  which  any  Mortgaged
Property is located to the extent necessary to ensure the enforceability of each
Mortgage Loan;

               (b) GMACM has the power and authority to make,  execute,  deliver
and perform its  obligations  under this  Agreement and all of the  transactions
contemplated under this Agreement,  and has taken all necessary corporate action
to authorize the execution,  delivery and  performance of this  Agreement;  this
Agreement   constitutes  a  legal,   valid  and  binding  obligation  of  GMACM,
enforceable against GMACM in accordance with its terms, except as enforceability
may be limited by applicable bankruptcy, insolvency, reorganization,  moratorium
or other similar laws now or hereafter in effect  affecting the  enforcement  of
creditors' rights in general and except as such enforceability may be limited by
general  principles of equity  (whether  considered in a proceeding at law or in
equity) or by public  policy with respect to  indemnification  under  applicable
securities laws;

                                       6
<PAGE>

               (c) The execution and delivery of this Agreement by GMACM and its
performance  and  compliance  with the terms of this  Agreement will not violate
GMACM's  Certificate of Incorporation or Bylaws or constitute a material default
(or an event which,  with notice or lapse of time, or both,  would  constitute a
material  default)  under,  or result in the  material  breach of, any  material
contract,  agreement or other  instrument to which GMACM is a party or which may
be applicable to GMACM or any of its assets;

               (d) No litigation before any court, tribunal or governmental body
is currently pending, nor to the knowledge of GMACM is threatened against GMACM,
nor is there any such  litigation  currently  pending,  nor to the  knowledge of
GMACM  threatened  against  GMACM  with  respect to this  Agreement  that in the
opinion of GMACM has a reasonable  likelihood of resulting in a material adverse
effect on the transactions contemplated by this Agreement;

               (e) No consent, approval,  authorization or order of any court or
governmental  agency  or  body  is  required  for the  execution,  delivery  and
performance by GMACM of or compliance by GMACM with this Agreement,  the sale of
the Mortgage Loans or the consummation of the transactions  contemplated by this
Agreement except for consents,  approvals,  authorizations and orders which have
been obtained;

               (f) The  consummation  of the  transactions  contemplated by this
Agreement  is in the  ordinary  course of business of GMACM,  and the  transfer,
assignment and  conveyance of the Mortgage  Notes and the Mortgages  relating to
the GMACM  Mortgage Loans by GMACM pursuant to this Agreement are not subject to
bulk transfer or any similar  statutory  provisions in effect in any  applicable
jurisdiction;

               (g) GMACM did not select such Mortgage  Loans in a manner that it
reasonably  believed was adverse to the interests of the Purchaser  based on the
related Seller's portfolio of conventional non-conforming Mortgage Loans;

               (h)  GMACM  will  treat  the  sale of the  Mortgage  Loans to the
Purchaser as a sale for  reporting  and  accounting  purposes and, to the extent
appropriate, for federal income tax purposes;

               (i) GMACM is an approved  seller/servicer of residential mortgage
loans for Fannie Mae and Freddie Mac. GMACM is in good standing to sell mortgage
loans to and service  mortgage loans for Fannie Mae and Freddie Mac and no event
has  occurred  which  would  make  GMACM  unable  to  comply  with   eligibility
requirements or which would require notification to either Fannie Mae or Freddie
Mac;

               (j) No written  statement,  report or other document furnished or
to be furnished pursuant to the Agreement contains or will contain any statement
that is or will be inaccurate or misleading in any material respect; and

               (k)  GMACM,  as  Administrator   under  the  LLC  Agreement,   is
authorized to execute this Agreement on behalf of Witmer.

        (ii) Witmer represents,  warrants and covenants to the Purchaser that as
of the Closing Date or as of such date specifically provided herein:

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<PAGE>

               (a) Witmer is a limited  liability  company duly formed,  validly
existing and in good standing under the laws of the State of Delaware;

               (b) Witmer has the power and authority to make, execute,  deliver
and perform its  obligations  under this  Agreement and all of the  transactions
contemplated under this Agreement, and has taken all necessary limited liability
company  action to authorize the  execution,  delivery and  performance  of this
Agreement;  this Agreement  constitutes a legal, valid and binding obligation of
Witmer,  enforceable  against  Witmer in  accordance  with its terms,  except as
enforceability   may  be   limited   by   applicable   bankruptcy,   insolvency,
reorganization,  moratorium  or other  similar  laws now or  hereafter in effect
affecting the  enforcement  of  creditors'  rights in general and except as such
enforceability   may  be  limited  by  general  principles  of  equity  (whether
considered in a proceeding at law or in equity) or by public policy with respect
to indemnification under applicable securities laws;

               (c) The  execution  and delivery of this  Agreement by Witmer and
its performance and compliance with the terms of this Agreement will not violate
Witmer's  Certificate of Formation or the LLC Agreement or constitute a material
default  (or an event  which,  with  notice  or lapse  of time,  or both,  would
constitute a material  default)  under, or result in the material breach of, any
material  contract,  agreement or other instrument to which Witmer is a party or
which may be applicable to Witmer or any of its assets;

               (d) No litigation before any court, tribunal or governmental body
is  currently  pending,  nor to the  knowledge of Witmer is  threatened  against
Witmer, nor is there any such litigation currently pending, nor to the knowledge
of Witmer  threatened  against Witmer with respect to this Agreement that in the
opinion of Witmer has a reasonable likelihood of resulting in a material adverse
effect on the transactions contemplated by this Agreement;

               (e) No consent, approval,  authorization or order of any court or
governmental  agency  or  body  is  required  for the  execution,  delivery  and
performance by Witmer of or compliance by Witmer with this  Agreement,  the sale
of the Mortgage Loans or the  consummation of the  transactions  contemplated by
this Agreement except for consents,  approvals,  authorizations and orders which
have been obtained;

               (f) The  consummation  of the  transactions  contemplated by this
Agreement is in the  ordinary  course of business of Witmer,  and the  transfer,
assignment and  conveyance of the Mortgage  Notes and the Mortgages  relating to
the Witmer  Mortgage Loans by Witmer  pursuant to this Agreement are not subject
to bulk transfer or any similar statutory provisions in effect in any applicable
jurisdiction; and

               (g)  Witmer  will  treat  the sale of the  Mortgage  Loans to the
Purchaser as a sale for  reporting  and  accounting  purposes and, to the extent
appropriate, for federal income tax purposes.

SECTION 7.02.  Representations  and Warranties as to Individual  Mortgage Loans.
(i) GMACM hereby  represents and warrants to the Purchaser,  as to each Mortgage
Loan (except as otherwise specified below), as of the Closing Date, as follows:

     (a) The  information  set  forth in the  Mortgage  Loan  Schedule  is true,
complete and correct in all material respects as of the Cut-off Date;

                                       8
<PAGE>

               (b) The  original  mortgage,  deed of trust or other  evidence of
indebtedness (the "Mortgage") creates a first lien on an estate in fee simple or
a leasehold  interest in real property  securing the related Mortgage Note, free
and clear of all adverse claims, liens and encumbrances having priority over the
first  lien of the  Mortgage  subject  only to (1)  the  lien of  non-delinquent
current  real  property  taxes  and  assessments  not yet due and  payable,  (2)
covenants,  conditions  and  restrictions,  rights of way,  easements  and other
matters of public  record as of the date of recording  which are  acceptable  to
mortgage  lending  institutions  generally,  and (3) other matters to which like
properties  are commonly  subject  which do not  materially  interfere  with the
benefits of the  security  intended  to be provided by the  Mortgage or the use,
enjoyment, value or marketability of the related Mortgaged Property;

               (c) The Mortgage Loan has not been delinquent thirty (30) days or
more at any time during the twelve (12) month  period  prior to the Cut-off Date
for such  Mortgage  Loan.  As of the  Closing  Date,  the  Mortgage  Loan is not
delinquent in payment more than 30 days and has not been  dishonored;  there are
no defaults  under the terms of the  Mortgage  Loan;  and GMACM has not advanced
funds, or induced,  solicited or knowingly  received any advance of funds from a
party other than the owner of the  Mortgaged  Property  subject to the Mortgage,
directly or indirectly,  for the payment of any amount  required by the Mortgage
Loan;

               (d)  There are no  delinquent  taxes  which are due and  payable,
ground rents,  assessments or other  outstanding  charges  affecting the related
Mortgaged Property;

               (e) The Mortgage  Note and the Mortgage  have not been  impaired,
waived, altered or modified in any respect,  except by written instruments which
have been recorded to the extent any such  recordation is required by applicable
law or is necessary to protect the  interests of the  Purchaser,  and which have
been  approved  by the  title  insurer  and the  primary  mortgage  insurer,  as
applicable, and copies of which written instruments are included in the Mortgage
File.  No other  instrument  of  waiver,  alteration  or  modification  has been
executed, and no Mortgagor has been released by GMACM or, to the best of GMACM's
knowledge,  by any other  person,  in whole or in part,  from the terms  thereof
except in connection with an assumption agreement, which assumption agreement is
part of the Mortgage  File and the terms of which are  reflected on the Mortgage
Loan Schedule;

               (f) The  Mortgage  Note and the  Mortgage  are not subject to any
right of rescission,  set-off, counterclaim or defense, including the defense of
usury,  nor will the  operation of any of the terms of the Mortgage Note and the
Mortgage,  or the exercise of any right thereunder,  render the Mortgage Note or
Mortgage  unenforceable,  in  whole  or in  part,  or  subject  to any  right of
rescission,  set-off,  counterclaim or defense,  including the defense of usury,
and no such right of  rescission,  set-off,  counterclaim  or  defense  has been
asserted with respect thereto;

               (g) All buildings  upon the  Mortgaged  Property are insured by a
generally  acceptable insurer pursuant to standard hazard policies conforming to
the  requirements  of Fannie  Mae and  Freddie  Mac.  All such  standard  hazard
policies  are in effect  and on the date of  origination  contained  a  standard
mortgagee  clause naming GMACM and its  successors in interest as loss payee and
such clause is still in effect. If the Mortgaged  Property is located in an area
identified by the Federal  Emergency  Management  Agency as having special flood
hazards  under the Flood  Disaster  Protection  Act of 1973,  as  amended,  such
Mortgaged  Property  is covered by flood  insurance  by a  generally  acceptable
insurer in an amount not less than the  requirements  of Fannie Mae and  Freddie
Mac.  The  Mortgage  obligates  the  Mortgagor  thereunder  to maintain all such
insurance at the Mortgagor's cost and expense, and on the Mortgagor's failure to
do so,  authorizes  the holder of the Mortgage to maintain such insurance at the
Mortgagor's  cost  and  expense  and to seek  reimbursement  therefor  from  the
Mortgagor;

                                       9
<PAGE>

               (h) Any and all  requirements of any federal,  state or local law
including, without limitation, usury,  truth-in-lending,  real estate settlement
procedures,  consumer credit protection,  equal credit opportunity or disclosure
laws  applicable  to the Mortgage  Loan have been  complied with in all material
respects;

               (i)  The   Mortgage   has  not  been   satisfied,   canceled   or
subordinated,  in whole or in part, or rescinded, and the Mortgaged Property has
not been released from the lien of the Mortgage, in whole or in part nor has any
instrument  been  executed  that would  effect any such  satisfaction,  release,
cancellation, subordination or rescission;

               (j) The Mortgage  Note and the related  Mortgage are original and
genuine  and each is the  legal,  valid  and  binding  obligation  of the  maker
thereof,  enforceable  in all respects in  accordance  with its terms subject to
bankruptcy,  insolvency  and other laws of  general  application  affecting  the
rights of  creditors.  All parties to the Mortgage Note and the Mortgage had the
legal  capacity to enter into the  Mortgage  Loan and to execute and deliver the
Mortgage  Note and the  Mortgage.  The Mortgage  Note and the Mortgage have been
duly and properly  executed by such  parties.  The proceeds of the Mortgage Note
have been  fully  disbursed  and there is no  requirement  for  future  advances
thereunder;

               (k)  (i)  With  respect  to  each  Witmer   Mortgage   Loan,  (A)
immediately prior to the transfer and assignment to the Purchaser,  the Mortgage
Note and the Mortgage were not subject to an  assignment  or pledge,  except for
any assignment or pledge that had been satisfied and released,  (B)  immediately
prior to the  assignment  of such  Mortgage  Loan to Witmer,  GMACM had good and
marketable title thereto and was the sole owner thereof,  and (C) GMACM had full
right to transfer and sell the  Mortgage  Loan  pursuant to the Witmer  Purchase
Agreement free and clear of any encumbrance, equity, lien, pledge, charge, claim
or security  interest;  and (ii) with respect to each GMACM  Mortgage  Loan, (A)
immediately prior to the transfer and assignment to the Purchaser,  the Mortgage
Note and the Mortgage were not subject to an  assignment  or pledge,  except for
any  assignment or pledge that had been  satisfied  and released,  (B) GMACM had
good and  marketable  title to and was the sole owner  thereof and (C) GMACM had
full right to transfer  and sell the  Mortgage  Loan to the  Purchaser  free and
clear of any  encumbrance,  equity,  lien,  pledge,  charge,  claim or  security
interest;

               (l) The  Mortgage  Loan is  covered  by an  ALTA  lender's  title
insurance policy or other generally acceptable form of policy of insurance, with
all necessary  endorsements,  issued by a title insurer qualified to do business
in the jurisdiction where the Mortgaged  Property is located,  insuring (subject
to the  exceptions  contained in clause (b) (1), (2) and (3) above)  GMACM,  its
successors  and assigns,  as to the first  priority  lien of the Mortgage in the
original  principal  amount of the Mortgage Loan.  Such title  insurance  policy
affirmatively  insures ingress and egress and against  encroachments  by or upon
the  Mortgaged  Property or any interest  therein.  GMACM is the sole insured of
such lender's title insurance policy,  such title insurance policy has been duly
and validly  endorsed to the  Purchaser or the  assignment  to the  Purchaser of
GMACM's  interest therein does not require the consent of or notification to the
insurer and such lender's title insurance policy is in full force and effect and
will be in full  force and  effect  upon the  consummation  of the  transactions
contemplated  by this  Agreement.  No claims have been made under such  lender's
title insurance policy, and no prior holder of the related Mortgage has done, by
act or omission, anything which would impair the coverage of such lender's title
insurance policy;

                                       10
<PAGE>

               (m) To GMACM's knowledge,  there is no default, breach, violation
or event of  acceleration  existing  under the Mortgage or the related  Mortgage
Note and no  event  which,  with  the  passage  of time or with  notice  and the
expiration  of any grace or cure period,  would  constitute  a default,  breach,
violation  or event  permitting  acceleration;  and neither  GMACM nor any prior
mortgagee  has  waived  any  default,  breach,  violation  or  event  permitting
acceleration;

               (n) To  GMACM's  knowledge,  there are no  mechanics,  or similar
liens or claims which have been filed for work, labor or material  affecting the
related  Mortgaged  Property  which are or may be liens prior to or equal to the
lien of the related Mortgage;

               (o) To GMACM's knowledge,  all improvements lie wholly within the
boundaries and building  restriction lines of the Mortgaged Property (and wholly
with the project  with respect to a  condominium  unit) and no  improvements  on
adjoining properties encroach upon the Mortgaged Property except those which are
insured  against by the title  insurance  policy referred to in clause (l) above
and all  improvements  on the  property  comply with all  applicable  zoning and
subdivision laws and ordinances;

     (p)  The  Mortgage   Loan  is  a   "qualified   mortgage"   under   Section
860(G)(a)(3)(A) of the Code and Treasury Regulations Section 1.860G-2(a)(1);

               (q) The Mortgage  Loan was  originated by GMACM or by an eligible
correspondent of GMACM. The Mortgage Loan complies in all material respects with
all the terms,  conditions and requirements of GMACM's underwriting standards in
effect at the time of  origination of such Mortgage Loan. The Mortgage Notes and
Mortgages are on uniform  Fannie  Mae/Freddie  Mac  instruments  or are on forms
acceptable to Fannie Mae or Freddie Mac;

               (r)  The  Mortgage  Loan  contains  the  usual  and   enforceable
provisions of the originator at the time of origination for the  acceleration of
the payment of the unpaid principal amount if the related Mortgaged  Property is
sold without the prior  consent of the mortgagee  thereunder.  The Mortgage Loan
has an  original  term to  maturity  of not more  than 30 years,  with  interest
payable in arrears on the first day of each month. Except as otherwise set forth
on the  Mortgage  Loan  Schedule,  the Mortgage  Loan does not contain  terms or
provisions which would result in negative  amortization  nor contain  "graduated
payment" features or "buydown" features;

               (s) To GMACM's  knowledge,  the Mortgaged Property at origination
of the  Mortgage  Loan was and  currently  is free of  damage  and  waste and at
origination  of the  Mortgage  Loan  there  was,  and  there  currently  is,  no
proceeding pending for the total or partial condemnation thereof;

               (t) The related Mortgage contains enforceable  provisions such as
to render  the rights  and  remedies  of the  holder  thereof  adequate  for the
realization  against  the  Mortgaged  Property of the  benefits of the  security
provided thereby,  including, (1) in the case of a Mortgage designated as a deed
of trust, by trustee's sale, and (2) otherwise by judicial foreclosure. To GMACM
s knowledge, there is no homestead or other exemption available to the Mortgagor
which  would  interfere  with  the  right to sell the  Mortgaged  Property  at a
trustee's sale or the right to foreclose the Mortgage;

                                       11
<PAGE>

               (u) If the Mortgage constitutes a deed of trust, a trustee,  duly
qualified if required  under  applicable  law to act as such,  has been properly
designated and currently so serves and is named in the Mortgage,  and no fees or
expenses are or will become  payable by the  Purchaser to the trustee  under the
deed of trust, except in connection with a trustees sale or attempted sale after
default by the Mortgagor;

               (v) If required by the applicable  processing style, the Mortgage
File  contains an appraisal of the related  Mortgaged  Property  made and signed
prior to the final  approval of the mortgage  loan  application  by an appraiser
that is  acceptable  to Fannie Mae or Freddie  Mac and  approved  by GMACM.  The
appraisal,  if applicable,  is in a form  generally  acceptable to Fannie Mae or
Freddie Mac;

               (w)  To  GMACM's  knowledge,  each  of the  Mortgaged  Properties
consists  of a single  parcel of real  property  with a  detached  single-family
residence erected thereon, or a two- to four-family  dwelling,  a townhouse,  an
individual  condominium unit in a condominium  project,  an individual unit in a
planned  unit  development  or a  proprietary  lease  on a  cooperatively  owned
apartment and stock in the related cooperative corporation. Any condominium unit
or planned  unit  development  either  conforms  with  applicable  Fannie Mae or
Freddie Mac  requirements  regarding  such  dwellings  or is covered by a waiver
confirming that such  condominium unit or planned unit development is acceptable
to Fannie Mae or Freddie Mac or is otherwise "warrantable" with respect thereto.
No such residence is a mobile home or manufactured dwelling;

               (x) The ratio of the original outstanding principal amount of the
Mortgage  Loan to the  lesser  of the  appraised  value (or  stated  value if an
appraisal  was not a  requirement  of the  applicable  processing  style) of the
Mortgaged  Property  at  origination  or the  purchase  price  of the  Mortgaged
Property  securing  each  Mortgage  Loan (the  "Loan-to-Value  Ratio") is not in
excess of 95.00%. The original  Loan-to-Value Ratio of each Mortgage Loan either
was not more than  80.00% or the  excess  over  80.00% is  insured as to payment
defaults by a primary  mortgage  insurance  policy issued by a primary  mortgage
insurer acceptable to Fannie Mae and Freddie Mac;

               (y) GMACM is either,  and each Mortgage Loan was originated by, a
savings and loan  association,  savings  bank,  commercial  bank,  credit union,
insurance  company or similar  institution which is supervised and examined by a
federal or State  authority,  or by a  mortgagee  approved by the  Secretary  of
Housing and Urban  Development  pursuant to Section 203 and 211 of the  National
Housing Act;

               (z) The  origination,  collection  and servicing  practices  with
respect to each Mortgage  Note and Mortgage  have been in all material  respects
legal, normal and usual in GMACM's general mortgage servicing  activities.  With
respect to escrow deposits and payments that GMACM  collects,  all such payments
are in the  possession  of, or under the control of,  GMACM,  and there exist no
deficiencies  in  connection  therewith  for which  customary  arrangements  for
repayment  thereof have not been made.  No escrow  deposits or other  charges or
payments due under the Mortgage Note have been capitalized under any Mortgage or
the related Mortgage Note;

               (aa) No  fraud  or  misrepresentation  of a  material  fact  with
respect to the  origination  of a Mortgage  Loan has taken  place on the part of
GMACM; and

                                       12
<PAGE>

               (bb) If any of the  Mortgage  Loans are  secured  by a  leasehold
interest, with respect to each leasehold interest:  residential property in such
area  consisting  of  leasehold  estates  is  readily  marketable;  the lease is
recorded and is in full force and effect and is not subject to any prior lien or
encumbrance by which the leasehold  could be terminated or subject to any charge
or penalty; and the remaining term of the lease does not terminate less than ten
years after the maturity date of such Mortgage Loan.

        With  respect to  Section  7.02(i),  representations  made by GMACM with
respect to the Witmer Mortgage Loans, made as of the Cut-off Date or the Closing
Date are made by GMACM in its  capacity  as  Servicer.  Representations  made by
GMACM with  respect to the Witmer  Mortgage  Loans sold by Witmer and made as of
any other date are made by GMACM in its  capacity  as seller of Witmer  Mortgage
Loans to Witmer.

        (ii) Witmer hereby represents and warrants to the Purchaser,  as to each
Witmer Mortgage Loan, as of the Closing Date, as follows:

               With respect to each Witmer Mortgage Loan, (A) immediately  prior
to the transfer  and  assignment  to the  Purchaser,  the Mortgage  Note and the
Mortgage were not subject to an assignment or pledge,  except for any assignment
or  pledge  that had  been or is,  concurrently  with  the  sale and  assignment
hereunder,  satisfied and released;  (B) immediately prior to assignment of such
Mortgage Loan, Witmer had good title thereto;  and (C) immediately prior to such
assignment  Witmer  had good  and  marketable  title  to and was the sole  owner
thereof  and had full  right to  transfer  and  sell  the  Mortgage  Loan to the
Purchaser free and clear of any encumbrance, equity, lien, pledge, charge, claim
or security interest, except for any encumbrance,  equity, lien, pledge, charge,
claim or security  interest that had been or is,  concurrently with the sale and
assignment hereunder, satisfied and released.

SECTION 7.03.  Repurchase.  It is understood and agreed that the representations
and warranties set forth in Sections 7.01 and 7.02 shall survive the sale of the
Mortgage  Loans to the  Purchaser  and  delivery  of the related  Mortgage  Loan
documents to the  Purchaser or its  designees  and shall inure to the benefit of
the Purchaser,  notwithstanding any restrictive or qualified  endorsement on any
Mortgage Note or Assignment of Mortgage or the examination of any Mortgage File.
Upon  discovery  by either  Seller,  GMACM or the  Purchaser of a breach of such
Seller's respective  representations and warranties, or upon the occurrence of a
Repurchase  Event,  in  either  case  which  materially  and  adversely  affects
interests  of the  Purchaser or its  assignee in any  Mortgage  Loan,  the party
discovering  such breach or occurrence  shall give prompt  written notice to the
other  parties.  If the  substance  of any  representation  or warranty has been
breached,  the repurchase obligation set forth in the provisions of this Section
7.03  shall  apply   notwithstanding  any  qualification  as  to  such  Seller's
knowledge.  Following  discovery  or  receipt  of notice  of any such  breach or
occurrence, GMACM or Witmer, as applicable, shall either (i) cure such breach in
all material  respects  within 90 days from the date such Person was notified of
such breach or (ii) repurchase such Mortgage Loan at the related  Purchase Price
within 90 days from the date such Person was notified of such breach;  provided,
however,  that  GMACM  or  Witmer,  as  applicable,  shall  have the  option  to
substitute a Qualified  Substitute Mortgage Loan or Loans for such Mortgage Loan
if such  substitution  occurs within two years  following the Closing Date;  and
provided  further that if the breach or occurrence would cause the Mortgage Loan
to be other than a "qualified  mortgage" as defined in Section 860G(a)(3) of the
Code, any such cure,  repurchase or substitution  must occur within 90 days from
the  earlier of the date the breach was  discovered  or receipt of notice of any
such breach. In the event that any such breach shall involve any  representation
or warranty set forth in Section 7.01 or those relating to the Mortgage Loans or
a portion  thereof in the  aggregate,  and such  breach  cannot be cured  within
ninety  days of the earlier of either  discovery  by or notice to such Seller of
such breach,  all Mortgage Loans affected by the breach shall,  at the option of
the  Purchaser,  be  repurchased  by  such  Seller  at  the  Purchase  Price  or
substituted  for in accordance with this Section 7.03. If GMACM or Witmer elects
to  substitute  a  Qualified  Substitute  Mortgage  Loan or Loans  for a Deleted
Mortgage Loan  pursuant to this Section  7.03,  such Person shall deliver to the
Custodian with respect to such Qualified  Substitute Mortgage Loan or Loans, the

                                       13
<PAGE>

original  Mortgage Note endorsed as required by Section 6, and such Seller shall
deliver to the Servicer with respect to such Qualified Substitute Mortgage Loan,
the  Mortgage,  an  Assignment  of the Mortgage in  recordable  form if required
pursuant to Section 6, and such other  documents and  agreements as are required
to be held by the Servicer  pursuant to Section 6. No substitution  will be made
in any  calendar  month after the  Determination  Date for such  month.  Monthly
Payments due with respect to Qualified Substitute Mortgage Loans in the month of
substitution  shall not be part of the Trust  Fund and will be  retained  by the
Servicer  and  remitted by the  Servicer  to such Seller on the next  succeeding
Distribution  Date.  For  the  month  of  substitution,   distributions  to  the
Certificateholders  will include the Monthly  Payment due on a Deleted  Mortgage
Loan for such month and  thereafter  such Seller shall be entitled to retain all
amounts   received  in  respect  of  such  Deleted   Mortgage  Loan.  Upon  such
substitution,  the Qualified  Substitute Mortgage Loan or Loans shall be subject
to the terms of this  Agreement in all respects,  such Seller and GMACM shall be
deemed  to have  made  the  representations  and  warranties  contained  in this
Agreement  with respect to the Qualified  Substitute  Mortgage Loan or Loans and
that such Mortgage Loans so substituted are Qualified  Substitute Mortgage Loans
as of the date of substitution. In furtherance of the foregoing, if GMACM or the
Seller that  repurchases or substitutes a Mortgage Loan is no longer a member of
MERS and the Mortgage is registered on the MERS(R) System, the Purchaser, at the
expense of GMACM and  without  any right of  reimbursement,  shall cause MERS to
execute and deliver an assignment of the Mortgage in recordable form to transfer
the Mortgage  from MERS to GMACM or the Seller and shall cause such  Mortgage to
be removed from  registration  on the MERS(R)  System in  accordance  with MERS'
rules and regulations.

        In the event of a repurchase by either Seller or GMACM  pursuant to this
Section  7.03,  the  Purchaser  shall (i) forward or cause to be  forwarded  the
Mortgage File for the related  Mortgage Loan to the Seller or GMACM, as the case
may be, which shall include the Mortgage Note endorsed  without recourse to such
Seller or its  designee,  (ii) cause the  Servicer to release to such Seller any
remaining documents in the related Mortgage File which are held by the Servicer,
and (iii) forward or cause to be forwarded an assignment in favor of such Seller
or its designee of the Mortgage in recordable form and acceptable to such Seller
in form and substance  and such other  documents or  instruments  of transfer or
assignment  as may be necessary to vest in Witmer or GMACM,  as the case may be,
or its  respective  designee title to any such Mortgage Loan (or with respect to
any Mortgage  registered on the MERS(R) System, if such Seller is still a member
of MERS,  the  Purchaser  shall  cause MERS to show such  Seller as the owner of
record).  The Purchaser shall cause the related Mortgage File to be forwarded to
such Seller  immediately  after  receipt of the related  Purchase  Price by wire
transfer  of  immediately  available  funds  to  an  account  specified  by  the
Purchaser.

        It is understood  and agreed that the  obligation of each Seller to cure
such breach or purchase (or to  substitute  for) such  Mortgage Loan as to which
such a breach has occurred and is continuing  shall  constitute  the sole remedy
respecting  such breach  available to the  Purchaser or the Trustee on behalf of
the Certificateholders.

                                       14
<PAGE>

SECTION 8. Notices. All demands,  notices and communications  hereunder shall be
in writing and shall be deemed to have been duly given when  deposited,  postage
prepaid,  in the United States mail, if mailed by registered or certified  mail,
return receipt requested,  or when received,  if delivered by private courier to
another party,  at the related  address shown on the first page hereof,  or such
other address as may hereafter be furnished to the parties by like notice.

SECTION 9. Severability of Provisions.  Any provision of this Agreement which is
prohibited  or  unenforceable  or is held to be  void  or  unenforceable  in any
jurisdiction  shall,  as to such  jurisdiction,  be ineffective to the extent of
such  prohibition  or  unenforceability   without   invalidating  the  remaining
provisions  hereof,  and  any  such  prohibition  or   unenforceability  in  any
jurisdiction   as  to  any  Mortgage   Loan  shall  not   invalidate  or  render
unenforceable such provision in any other jurisdiction.  To the extent permitted
by applicable law, the parties hereto waive any provision of law which prohibits
or renders void or unenforceable any provision hereof.

SECTION 10.  Counterparts;  Entire  Agreement.  This  Agreement  may be executed
simultaneously  in any number of counterparts.  Each counterpart shall be deemed
to be an original,  and all such counterparts  shall constitute one and the same
instrument.  This Agreement is the entire agreement between the parties relating
to  the  subject   matter  hereof  and   supersedes   any  prior   agreement  or
communications between the parties.

SECTION 11. Place of Delivery and Governing Law. This Agreement  shall be deemed
in effect when  counterparts  hereof  have been  executed by each of the parties
hereto.  This  Agreement  shall be  deemed to have been made in the State of New
York. This Agreement shall be construed in accordance with the laws of the State
of New York and the  obligations,  rights and remedies of the parties  hereunder
shall be  determined  in  accordance  with the  laws of the  State of New  York,
without giving effect to its conflict of law rules.

SECTION 12.  Successors  and Assigns;  Assignment of Agreement.  This  Agreement
shall bind and inure to the benefit of and be  enforceable by the parties hereto
and their  respective  successors and assigns;  provided that this Agreement may
not be assigned, pledged or hypothecated by each Seller to a third party without
the prior written consent of the Purchaser.

SECTION 13. Waivers;  Other  Agreements.  No term or provision of this Agreement
may be waived or modified  unless such waiver or  modification is in writing and
signed by the party  against  whom such waiver or  modification  is sought to be
enforced.

SECTION 14. Survival. The provisions of this Agreement shall survive the Closing
Date and the delivery of the Mortgage  Loans,  and for so long  thereafter as is
necessary  (including,  subsequent to the  assignment of the Mortgage  Loans) to
permit  the  parties  to  exercise  their  respective  rights or  perform  their
respective obligations hereunder.

                                       15
<PAGE>

        IN WITNESS  WHEREOF,  the Sellers and the  Purchaser  have caused  their
names to be signed hereto by their respective officers thereunto duly authorized
as of the date first above written.

                                     GMAC MORTGAGE CORPORATION, as Seller

                                     By:  /s/ Thomas J. O'Hara
                                          --------------------
                                     Name:  Thomas J. O'Hara
                                     Title:    Senior Vice President
                                     WITMER FUNDING LLC, as Seller
                                     BY: GMAC MORTGAGE CORPORATION, as
                                     Administrator

                                     By: /s/ Thomas J. O'Hara
                                        ---------------------
                                     Name:  Thomas J. O'Hara
                                     Title:     Senior Vice President

                                     RESIDENTIAL ASSET MORTGAGE PRODUCTS,
                                     INC., as Purchaser

                                     By: /s/ Barry Bier
                                     Name:  Barry Bier
                                     Title:    Vice President

                                       16
<PAGE>

                                   SCHEDULE I

                             MORTGAGE LOAN SCHEDULE

<PAGE>

                                  SCHEDULE I-A

                          GMACM MORTGAGE LOAN SCHEDULE

<PAGE>

                                  SCHEDULE I-B

                          WITMER MORTGAGE LOAN SCHEDULE

                                       17
<PAGE>MBIA Letterhead

                      CERTIFICATE GUARANTY INSURANCE POLICY

OBLIGATIONS:          GMACM Mortgage Loan Trust 2001-J7     POLICY NUMBER: 36845
                      GMACM Mortgage Pass-Through Certificates, Series 2001-J7
                      $3,575,230 6.00% Class A-5 Certificates
                      $2,191,270 6.50% Class A-6 Certificates
                      $3,575,230 6.00% Class A-7 Certificates
                      $2,191,270 6.50(degree)/o Class A-8 Certificates

        MBIA Insurance  Corporation  (the  "Insurer"),  in  consideration of the
payment of the  premium and  subject to the terms of this  Certificate  Guaranty
Insurance  Policy  (this  "Policy"),   hereby  unconditionally  and  irrevocably
guarantees  to any Owner that an amount equal to each full and complete  Insured
Payment will be received from the Insurer by Bank One, National Association,  or
its  successors,  as trustee  for the Owners (the  "Trustee"),  on behalf of the
Owners,  for  distribution  by  the  Trustee  to  each  Owner  of  each  Owner's
proportionate  share of the  Insured  Payment  to the extent  entitled  thereto.
Insurer's  obligations  hereunder with respect to a particular  Insured  Payment
shall be discharged to the extent funds equal to the applicable  Insured Payment
are received by the Trustee  whether or not such funds are  properly  applied by
the Trustee.  Insured  Payments shall be made only at the time set forth in this
Policy,  and no accelerated  Insured  Payments  shall be made  regardless of any
acceleration of the Obligations,  unless such acceleration is at the sole option
of the Insurer.

        Notwithstanding  the  foregoing  paragraph,  this  Policy does not cover
shortfalls, if any, attributable to the liability of the Trust, any REMIC or the
Trustee for  withholding  taxes,  if any  (including  interest and  penalties in
respect of any such liability).  This Policy does not provide credit enhancement
for any Class of Certificates other than the Class A-5, Class A-6, Class A-7 and
Class A-8 Certificates.

        The Insurer will pay any Insured Payment that is a Preference  Amount on
the  Business  Day  following  receipt on a Business Day by the Fiscal Agent (as
described  below) of (a) a certified copy of the order requiring the return of a
preference payment,  (b) an opinion of counsel  satisfactory to the Insurer that
such order is final and not subject to appeal, (c) an assignment in such form as
is reasonably required by the Insurer,  irrevocably assigning to the Insurer all
rights and claims of the Owner  relating  to or  arising  under the  Obligations
against the debtor which made such preference  payment or otherwise with respect
to such  preference  payment  and (d)  appropriate  instruments  to  effect  the
appointment  of the  Insurer  as agent for such  Owner in any  legal  proceeding
related  to  such  preference   payment,   such  instruments  being  in  a  form
satisfactory to the Insurer,  provided that if such documents are received after
12:00 noon,  New York City time, on such Business Day, they will be deemed to be
received on the following  Business Day. Such payments shall be disbursed to the
receiver  or  trustee  in  bankruptcy  named in the  final  order  of the  court
exercising  jurisdiction  on behalf  of the Owner and not to any Owner  directly
unless such Owner has returned  principal or interest paid on the Obligations to
such  receiver or trustee in  bankruptcy,  in which case such  payment  shall be
disbursed to such Owner.

        The Insurer  will pay any other amount  payable  hereunder no later than
12:00 noon, New York City time, on the later of the  Distribution  Date on which
the related Deficiency Amount is due or the third Business Day following receipt
in New York,  New York on a Business Day by State Street Bank and Trust Company,
N.A., as Fiscal Agent for the Insurer,  or any successor  fiscal agent appointed
by the Insurer (the "Fiscal Agent"), of a Notice (as described below),  provided
that if such Notice is received  after 12:00 noon,  New York City time,  on such
Business Day, it will be deemed to be received on the following Business Day. If
any  such  Notice  received  by the  Fiscal  Agent is not in  proper  form or is
otherwise  insufficient for the purpose of making claim  hereunder,  it shall be
deemed  not to have been  received  by the  Fiscal  Agent for  purposes  of this
paragraph,  and the  Insurer  or the  Fiscal  Agent,  as the case may be,  shall
promptly so advise the Trustee and the Trustee may submit an amended Notice.

        Insured Payments due hereunder,  unless otherwise state herein,  will be
disbursed  by the  Fiscal  Agent to the  Trustee on behalf of the Owners by wire
transfer of  immediately  available  funds in the amount of the Insured  Payment
less, in respect of Insured Payments related to Preference  Amounts,  any amount
held by the Trustee for payment of such  Insured  Payment and legally  available
therefor.

        The Fiscal Agent is the agent of the Insurer only,  and the Fiscal Agent
shall in no event be liable to Owners  for any acts of the  Fiscal  Agent or any
failure of the Insurer to deposit, or cause to be deposited, sufficient funds to
make payments due under this Policy.

        Subject to the terms of the  Agreement,  the Insurer shall be subrogated
to the rights of each Owner to receive  payments  under the  Obligations  to the
extent of any payment by the Insurer hereunder.

        As used herein, the following terms shall have the following meanings:

        "Agreement"  means  the  Pooling  and  Servicing  Agreement  dated as of
November 29, 2001 among Residential Asset Mortgage Products, Inc., as Depositor,
GMAC Mortgage  Corporation,  as Servicer,  and the Trustee, as trustee,  without
regard  to any  amendment  or  supplement  thereto,  unless  such  amendment  or
supplement has been approved in writing by the Insurer.

        "Business Day" means any day other than (a) a Saturday or a Sunday (b) a
day on which the Insurer is closed or (c) a day on which banking institutions in
New York City or in the city in which the corporate  trust office of the Trustee
under the  Agreement is located are  authorized or obligated by law or executive
order to close.

        "Deficiency  Amount" means with respect to each Class of the Obligations
and any Distribution Date, an amount equal to (a) any interest shortfall, except
Prepayment  Interest  Shortfalls  to the extent  covered by amounts due from the
Servicer or from funds on deposit in the  Insured  Reserve  Fund and  shortfalls
resulting  from  application  of  the  Relief  Act,  allocated  to  the  related
Obligations,  (b) the principal  portion of any Realized  Loss  allocated to the
related  Obligations  and (c) the Certificate  Principal  Balance of the related
Obligations to the extent unpaid on the Scheduled Final Distribution Date, after
taking into account all distributions to be made on such date.

        "Insured Payment" means (a) as of any Distribution  Date, any Deficiency
Amount and (b) any Preference Amount.

        "Notice" means the telephonic or telegraphic notice,  promptly confirmed
in writing by facsimile  substantially in the form of Exhibit A attached hereto,
the original of which is subsequently delivered by registered or certified mail,
from the Trustee  specifying the Insured Payment which shall be due and owing on
the applicable Distribution Date.

        "Owner"  means  each  Class  A-5,  Class  A-6,  Class  A-7 and Class A-8
Certificateholder   (as  defined  in  the  Agreement)  who,  on  the  applicable
Distribution Date, is entitled under the terms of the applicable  Obligations to
payment thereunder.

        "Preference Amount" means any amount previously  distributed to an Owner
on the Obligations  that is recoverable and sought to be recovered as a voidable
preference by a trustee in bankruptcy  pursuant to the United States  Bankruptcy
Code (11  U.S.C.),  as  amended  from  time to time in  accordance  with a final
nonappealable order of a court having competent jurisdiction.

        Capitalized used herein and not otherwise  defined herein shall have the
respective  meanings  set forth in the  Agreement as of the date of execution of
this  Policy,   without  giving  effect  to  any  subsequent   amendment  to  or
modification  of the Agreement  unless such amendment or  modification  has been
approved in writing by the Insurer.

        Any notice  hereunder  or service of process on the Fiscal  Agent may be
made at the address  listed below for the Fiscal Agent or such other  address as
the Insurer shall specify in writing to the Trustee.

        The notice address of the Fiscal Agent is 15th Floor,  61 Broadway,  New
York, New York 10006, Attention:  Municipal Registrar and Paying Agency, or such
other address as the Fiscal Agent shall specify to the Trustee in writing.

        THIS  POLICY  IS BEING  ISSUED  UNDER  AND  PURSUANT  TO,  AND  SHALL BE
CONSTRUED UNDER, THE LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO THE
CONFLICT OF LAWS PRINCIPLES THEREOF.

        The   insurance   provided   by  this  Policy  is  not  covered  by  the
Property/Casualty  Insurance  Security  Fund  specified in Article 76 of the New
York Insurance Law.

        This Policy is not cancelable for any reason. The premium on this Policy
is not refundable for any reason, including payment, or provision being made for
payment, prior to maturity of the Obligations.

        IN WITNESS  WHEREOF,  the  Insurer has caused this Policy to be executed
and attested this 29th day of November, 2001.

                                            MBIA INSURANCE CORPORATION

                                            /s/ Gary C. Dunton
                                            President

                                  Attest:   /s/ Amy R. Gonch_
                                            Assistant Secretary

<PAGE>

                                    EXHIBIT A

                        TO CERTIFICATE GUARANTY INSURANCE
                              POLICY NUMBER: 36845

                        NOTICE UNDER CERTIFICATE GUARANTY
                         INSURANCE POLICY NUMBER: 36845

State Street Bank and Trust Company, N.A., as Fiscal Agent
    for MBIA Insurance Corporation
15th Floor
61 Broadway
New York, NY 10006
Attention: Municipal Registrar
    and Paying Agency

MBIA Insurance Corporation
113 King Street
Armonk, NY 10504

        The  undersigned,  a duly  authorized  officer of [NAME OF TRUSTEE],  as
trustee  (the  "Trustee"),  hereby  certifies  to State  Street  Bank and  Trust
Company,   N.A.  (the  "Fiscal  Agent")  and  MBIA  Insurance  Corporation  (the
"Insurer"),  with reference to  Certificate  Guaranty  Insurance  Policy Number:
36845 (the "Policy") issued by the Insurer in respect of the GMACM Mortgage Loan
Trust  2001-J7  GMACM  Mortgage  Pass-Through   Certificates,   Series  2001-J7,
$3,575,230   6.00%   Class  A-5   Certificates,   $2,191,270   6.50%  Class  A-6
Certificates,  $3,575,230  6.00% Class A-7  Certificates,  $2,191,270  6.50% and
Class A-8 Certificates (the "Obligations"), that:

               (a) the  Trustee is the trustee  under the Pooling and  Servicing
        Agreement  dated  as of  November  29,  2001,  among  Residential  Asset
        Mortgage Products,  Inc., as Depositor,  GMAC Mortgage  Corporation,  as
        Servicer, and the Trustee, as trustee for the Owners;

               (b)  the  amount  due  under  clause  (a)  of the  definition  of
          Deficiency  Amount for the Distribution  Date occurring on [_________]
          the "Applicable Distribution Date") is $[__________];

               (c)  the  amount  due  under  clause  (b)  of the  definition  of
          Deficiency   Amount   for   the   Applicable   Distribution   Date  is
          $[_________];

               (d)  the  amount  due  under  clause  (c)  of the  definition  of
          Deficiency   Amount   for   the   Applicable   Distribution   Date  is
          $[_________];

               (e) the sum of the amounts listed in paragraphs  (b), (c) and (d)
          above is $[___________] (the "Deficiency Amount");

               (f)  the  amount  of  previously   distributed  payments  on  the
        Obligations that is recoverable and sought to be recovered as a voidable
        preference by a trustee in bankruptcy pursuant to the Bankruptcy Code in
        accordance with a final  nonappealable order of a court having competent
        jurisdiction is $[_________] (the "Preference Amount");

               (g) the total  Insured  Payment due is  $[_______],  which amount
          equals the sum of the Deficiency Amount and the Preference Amount;

               (h) the Trustee is making a claim under and pursuant to the terms
        of the Policy for the dollar amount of the Insured  Payment set forth in
        (e) above to be applied to the payment of the Deficiency  Amount for the
        Applicable  Distribution  Date in accordance  with the Agreement and for
        the dollar  amount of the  Insured  Payment set forth in (f) above to be
        applied to the payment of any Preference Amount; and

               (i) the Trustee  directs that  payment of the Insured  Payment be
        made to the following  account by bank wire transfer of federal or other
        immediately  available funds in accordance with the terms of the Policy:
        [TRUSTEE'S ACCOUNT NUMBER].

        Any  capitalized  term used in this  Notice  and not  otherwise  defined
herein shall have the meaning assigned thereto in the Policy.

Any Person Who  Knowingly  And With Intent To Defraud Any  Insurance  Company Or
Other Person Files An Application For Insurance Or Statement Of Claim Containing
Any  Materially  False  Information,  Or Conceals For The Purpose Of Misleading,
Information Concerning Any Fact Material Thereto, Commits A Fraudulent Insurance
Act,  Which Is A Crime,  And Shall  Also Be Subject  To A Civil  Penalty  Not To
Exceed Five  Thousand  Dollars  And The Stated  Value Of The Claim For Each Such
Violation.

               IN WITNESS  WHEREOF,  the Trustee has executed and delivered this
          Notice under the Policy as of the [___] day of [_______], [___].

                               [NAME OF TRUSTEE], as Trustee

                               By
                                   -----------------------------------------
                               Title
                                      --------------------------------------

                                       18
<PAGE>

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