JOINT FILING AGREEMENT

CUSIP No. 561063-10-8                                        Page 11 of 11 pages


                                                                       EXHIBIT 2

                             JOINT FILING AGREEMENT

          Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree that the Schedule 13D to which
this Joint Filing Agreement is being filed as an exhibit shall be a joint
statement filed on behalf of each of the undersigned.


Date:  October 5, 2000


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