JOINT FILING AGREEMENT ----------------------

                                                                  Exhibit 99(c)



                             JOINT FILING AGREEMENT
                             ----------------------

                  The undersigned, and each of them, do hereby agree and consent
to the filing of a single statement on behalf of all of them on Schedule 13D and
amendments thereto, in accordance with the provisions of Rule 13d-1(f)(1) under
the Securities Exchange Act of 1934, as amended.


                                           X.X. XXXXXX COMPANY, INC.

                                           By: /s/ Xxxxxx X. XxXxx
                                              ----------------------------------
      December 2, 1998                        Name: Xxxxxx X. XxXxx,
    -------------------                       Title: Executive Vice President
             Date                             



                                           XXXXXX X. XXXXX

                                           /s/ Xxxxxx X. XxXxx
                                           -------------------------------------



                                           XXXXXXX X. XXXXXX

                                           By: /s/ K. Xxxxxxxxx XxXxxxx
                                               ---------------------------------
                                           Name: K. Xxxxxxxxx XxXxxxx,
                                           Title: Attorney-in-Fact