Exhibit [10]a Norwest Bank Minnesota, National Association Waiver of Covenant and Credit Agreement RE: Waiver of Covenant 7.2(a) and (b) of the Credit Agreement dated October 13, 1997 between Norwest Bank Minnesota, N.A. and Research, Incorporated....

Exhibit [10]a



Norwest Bank Minnesota,
National Association         Waiver of Covenant and Credit Agreement

RE:      Waiver of Covenant 7.2(a) and (b) of the Credit Agreement dated October
         13, 1997 between Norwest Bank Minnesota, N.A. and Research, 
         Incorporated.


Norwest Bank Minnesota, N.A. hereby agrees to waive the violation of the
covenant outlined below for the quarter
ending June 30, 1998.

7.2(a)   Tangible Net Worth. Maintain a minimum Tangible Net Worth of at least
         $5,500,000 as of the end of each fiscal quarter through and including
         June 30, 1998,

7.2(b)   Total Liabilities to Tangible Net Worth. Maintain a ratio of total
         liabilities to Tangible Net Worth of less than 1.3 to 1.0 as of the end
         of each fiscal quarter, through and including June 30, 1998,

This waiver extends only to the covenants outlined above and only for the period
described above. All other terms and conditions of the agreements remain in full
force and effect.




NORWEST BANK MINNESOTA,
  NATIONAL ASSOCIATION

By:  /s/ Xxxxxxx X. Xxxxxxxx                   Dated:         August 5, 1998
     -----------------------                                  --------------
     Xxxxxxx X. Xxxxxxxx

Its: Assistant Vice President