Years ended March 31,                                                       1997                1996                1995
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Revenue from continuing operations                                  $142,547,174        $122,923,875        $131,173,804
Costs and expenses                                                   135,777,206         116,669,930         125,222,189
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      Operating earnings from continuing operations                    6,769,968           6,253,945           5,951,615
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Other expense (income):
  Interest expense                                                       397,417             640,660             564,862
  Interest income                                                        (77,803)           (129,105)            (22,980)
  Equity in income of joint venture                                      (90,445)           (345,842)           (321,252)
  Other, net                                                             728,281             684,309             589,762
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                                                                         957,450             850,022             810,392
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      Earnings from continuing operations before income taxes          5,812,518           5,403,923           5,141,223
Income taxes on earnings from continuing operations (note 7)           2,436,982           1,815,542           2,171,031
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      Net earnings from continuing operations                       $  3,375,536        $  3,588,381        $  2,970,192
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Discontinued operations (note 3):
  Loss from discontinued operations, net of income
    tax benefit of $135,321 and $136,932 in 1996 and
    1995, respectively                                                        --            (194,730)           (197,048)
  Loss on disposal of discontinued operations,
    net of income tax benefit of $1,392,730                                   --          (1,316,030)                 --
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      Net earnings                                                  $  3,375,536        $  2,077,621        $  2,773,144
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Earnings (loss) per common and common equivalent share:
  Continuing operations                                             $       1.40        $       1.44        $       1.20
  Discontinued operations                                                     --               (0.61)              (0.08)
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      Net earnings                                                  $       1.40        $       0.83        $       1.12
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Weighted average shares and common
  equivalent shares outstanding (notes 2 and 8)                        2,406,140           2,493,751           2,469,148
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