|Randolph S.
      Hudson
|------------------------

Post Office Box
      202
    
    Area Code
      585Wyoming, New
      York 14591
    
    Telephone 495
      6907


Telecopier (585) 486-1288

E-MailRandolphSHudson@Rochester.rr.com

Advice of
Delivery;

Delivered by U. S.
Postal Service Certified Mail, Article No. 7099 3220 0008 2229 5376



|June 14,
      2005
|-------------------

Neal R. Bruckman
President

FINANCIAL TECHNOLOGY
RESEARCH CORPORATION

Suite 162

5485 West Flamingo
Road

Las Vegas, Nevada
89103-3500

Subject: Rescission of
Purchase of Common Stock in Mercosur Telephone & Telegraph Co., Inc.
(Delaware) by Randolph S. Hudson



|Dear Mr.
      Bruckman:
|------------------------

On May 10, 2005, Financial Technology Research Corporation,
a Colorado corporation ("Fintek"), and I entered into and executed that certain
common stock purchase agreement (the "Stock Purchase Agreement"), a copy of
which is attached hereto as Exhibit "1", and, by this reference, made a part
hereof; together with my execution and delivery of that certain Stock Purchase
Agreement, I executed a facsimile form of a temporary promissory note, of even
date with the Stock Purchase Agreement, and a form of a pledge and security
agreement, also of even date with the Stock Purchase Agreement.

Due to Fintek's default under the terms of the Stock
Purchase Agreement, I now desire to rescind the Stock Purchase Agreement and
revoke the terms and conditions set forth therein and release my interest in the
shares of stock (the "Mercosur Stock") in Mercosur Telephone & Telegraph
Co., Inc., a Delaware corporation ("Mercosur"), that may have been transferred
to me pursuant to the terms of the Stock Purchase Agreement. Moreover, as the
result of my rescission of the Stock Purchase Agreement,

Neal R. Bruckman, Page 1 of 3 of June 14, 2005

---

I am voiding that
certain promissory Note in principal the sum of $35,000 (the "Note") and I am
voiding that certain pledge and security agreement, whereby, I hypothecated
shares of Mercosur Stock (which I never received) to Fintek until that date that
I was supposed to have satisfied the Note.

Therefore, as the result of my rescission of the Stock
Purchase Agreement, and by my action to void the Note and that certain pledge
and security agreement, PLEASE TAKE NOTICE:

1.I hereby rescind
and deem null and void the Stock Purchase Agreement, to become effective
immediately, and state that all of the terms, conditions, covenants, and
representations and warranties contained in said Stock Purchase Agreement will
terminate immediately and will be deemed null and void and of no further effect
whatsoever. I am rescinding the Stock Purchase Agreement because Fintek failed
to deliver the certificate or certificates for its shares in Mercosur to me;
said event was required to occur by the terms of the Stock Purchase
Agreement.

2.I hereby rescind
and deem null and void the Note, to become effective immediately, and that my
obligation to Fintek, set forth in said Note, will terminate immediately and
will be deemed null and void and of no further effect whatsoever.

3.As the result of my
rescission of the Note, I hereby rescind and deem null and void that certain
pledge and security agreement, to become effective immediately, and that the
provisions of that certain pledge and security agreement will cease to operate,
principally, as I never received a certificate or certificates for the Mercosur
Stock from Fintek in order to properly pledge such shares to Fintek under the
terms of that certain pledge and security agreement.

By this notice, I hereby agree that any and all assets,
tangible and intangible property, securities, or items of value that may have
been assigned or transferred to me pursuant to the terms of the Stock Purchase
Agreement, will be transferred and reconveyed to Fintek.

I represent and warrant that there have been no debts or
liabilities incurred by me in the name of, or which encumbered, the Mercosur
corporate entity or franchise between the date of the Stock Purchase Agreement
and the date hereof. I also represent and warrant that I have not sold and/or
issued any shares of Mercosur capital stock, for valid consideration, or
otherwise, between the date of the Stock Purchase Agreement and the date hereof.
However, in the ordinary course of business,

Neal R. Bruckman, Page 2 of 3 of June 14, 2005

---

and for the purpose
of complying with Federal law, in pursuance, then, of my plan to develop
Mercosur (prior to learning of Fintek's default under the Stock Purchase
Agreement), I obtained a Federal Employer Identification Number for Mercosur
from the Internal Revenue Service (the "IRS"), and, I registered Mercosur with
the United States Securities and Exchange Commission (the "SEC). I am enclosing
the IRS and SEC documents herewith.

Immediately prior to my delivery of this notice of
rescission to Fintek, I tendered my written resignation, as the sole director
and/or sole executive officer of Mercosur to the State of Delaware, which notice
became effective at 12:01 a.m., Eastern Time, on this date. A copy of my
resignation is annexed hereto as Exhibit "2" and is a part of this notice to
Fintek.

I shall defend my position in this matter and expect that
Fintek and I will be responsible for our respective costs and expenses
associated with the overall failed transaction between us, and, as the result of
my notice to Fintek hereunder, I hope that we may cooperate and use our best
efforts to take all necessary and requisite actions to consummate this
rescission and in any other related matters, without further legal
action.

If you dispute my actions hereunder, please contact my
attorney, Stephen D. Rogoff, at (585) 327-5600, or at such other address as his
office may so instruct. Otherwise, I will consider this matter
closed.

Cordially,

/s/ Randolph S.
Hudson



|cc: Stephen D. Rogoff,
      Esq.
      Notice of
Enclosures:
|-------------------------------------------------------------

|Exhibit |  | 1: |  | Stock Purchase |  | Agreement   |  |       
|------- |  | -- |  | -------------- |  | ----------- |  | ------
|Exhibit |  | 2: |  | Resignation of |  | Randolph S. |  | Hudson

IRS and SEC
Documents

Form of Blank Mercosur
Stock Certificate

Postage Prepaid Envelope
provided to Hudson by Bruckman

Neal R. Bruckman, Page 3 of 3 of June 14, 2005

---