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                                                                     EXHIBIT 10g

                   EXTENSION OF PROPERTY MANAGEMENT AGREEMENT



         This Extension of Property Management Agreement hereinafter referred to
as "Agreement" entered into this 8th day of December, 1999 by and between Murray
Income Properties I, Ltd., a Texas limited partnership, hereinafter referred to
as "Owner" and ZELL Commercial Real Estate Services, Inc., an Arizona
corporation, hereinafter referred to as "Agent".

                                R E C I T A L S :

         A.       Owner and Agent are parties to that certain Property
                  Management Agreement dated December 20, 1989 covering the
                  MOUNTAIN VIEW PLAZA SHOPPING CENTER located at the southeast
                  corner of Mountain View Road and Hayden Road, Scottsdale,
                  Arizona; and

         B.       The term of the aforesaid Property Management Agreement was to
                  expire on December 31, 1999. The parties thereto are mutually
                  desirous of extending the term of the Property Management
                  Agreement.

NOW, THEREFORE, it is hereby agreed as follows:

         1.       The expiration date of the Property Management Agreement shall
                  be December 31, 2000.

         2.       All other terms and conditions of the Property Management
                  Agreement shall remain unchanged and in full force and effect.


IN WITNESS WHEREOF, the parties hereto have set their hands as of the date and
year first above written.



WITNESS:                                 Murray Income Properties I, Ltd., a
                                         Texas limited partnership (Owner) By:
                                         Murray Realty Investors VIII, Inc., a
                                         Texas corporation, its general
                                         partner


                                         By: /s/ Brent Buck
-----------------------------               ----------------------------------
                                            Brent Buck, Executive Vice President




WITNESS:                                 ZELL Commercial Real Estate Services,
                                         Inc., an Arizona corporation (Agent)


                                         By: /s/ Alan L. Zell
-----------------------------               ----------------------------------
                                            Alan L. Zell, President
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                   EXTENSION OF EXCLUSIVE MARKETING AGREEMENT

         This Extension of Exclusive Marketing Agreement hereinafter referred to
as "Agreement" entered into this 8th day of December, 1999 by and between Murray
Income Properties I, Ltd., a Texas limited partnership, hereinafter referred to
as "Owner" and ZELL Commercial Real Estate Services, Inc., an Arizona
corporation, hereinafter referred to as "Agent".

                                R E C I T A L S :

         A.       Owner and Agent are parties to that certain Exclusive
                  Marketing Agreement dated January 10, 1990 covering the
                  MOUNTAIN VIEW PLAZA SHOPPING CENTER located at the southeast
                  corner of Mountain View Road and Hayden Road, Scottsdale,
                  Arizona; and

         B.       The term of the aforesaid Agreement was to expire on December
                  31, 1999. The parties thereto are mutually desirous of
                  extending the term of the Exclusive Marketing Agreement.

NOW, THEREFORE, it is hereby agreed as follows:

         1.       The expiration date of the Exclusive Marketing Agreement shall
                  be December 31, 2000.

         2.       All other terms and conditions of the Exclusive Marketing
                  Agreement shall remain unchanged and in full force and effect.

IN WITNESS WHEREOF, the parties hereto have executed this document this day and
year first above written.



WITNESS:                                 Murray Income Properties I, Ltd., a
                                         Texas limited partnership (Owner)
                                         By: Murray Realty Investors VIII, Inc.,
                                         a Texas corporation, its general
                                         partner



                                         By: /s/ Brent Buck
-------------------------------             -----------------------------------
                                            Brent Buck, Executive Vice President



WITNESS:                                 ZELL Commercial Real Estate Services,
                                         Inc., an Arizona corporation (Agent)


                                         By: /s/ Alan L. Zell
-------------------------------             -----------------------------------
                                            Alan L. Zell, President