EXHIBIT 11 - COMPUTATION OF EARNINGS PER COMMON SHARE Column A Column B Column C Weighted Average Income Per Number of Common Shares Net Share Outstanding* Income (B/A) ----------- --------- --------- Nine months ended: February 28, 1998 5,268,619 $383,394 $ .07 February 28, 1997 4,282,510 217,126 .05 Three months ended: February 28,1998 5,262,628 $316,179 $ .06 February 28,1997 4,670,431 404,804 .09 Nine Months Ended Three Months Ended February 28, February 28, 1998 1997 1998 1997 ---- ---- ---- ---- *Computation of weighted average number of common shares outstanding and common equivalent shares: Common shares outstanding at the beginning of the period 5,135,548 4,013,765 5,086,456 4,013,765 Weighted average of common shares issued during the period 1,520 189,560 -- 575,000 Weighted average of common shares repurchased for the treasury during the period (47,472) -- (2,866) -- Weighted average of the common equivalent shares attributable to stock options granted, computed under the treasury stock method 179,023 79,185 179,038 81,666 --------- --------- --------- --------- Weighted average number of common and common equivalent shares 5,268,619 4,282,510 5,262,628 4,670,431 ========= ========= ========= =========