Exhibit 11 Computation of Earnings Per Common Share Primary and Fully Diluted Three Months Ended Nine Months Ended April 30 April 30 -------------------------- --------------------------- 1996 1995 1996 1995 ---------- ---------- ---------- ---------- Net income for computing primary and fully diluted earnings per common share $ 2,633,000 $ 1,971,000 $ 6,411,000 $ 4,458,000 Primary shares Weighted average number of common shares outstanding 7,932,010 7,211,448 7,866,882 6,519,800 Additions from assumed exercise of stock options and warrants 390,838 375,919 370,955 407,171 ---------- ---------- ---------- ---------- Weighted average of common and common equivalent shares 8,322,848 7,587,367 8,237,837 6,926,971 ========== ========== ========== ========== Fully diluted shares Weighted average number of common shares outstanding 7,932,010 7,211,448 7,866,882 6,519,800 Additions from assumed exercise of stock options and warrants 407,226 418,442 407,226 421,345 ---------- ---------- ---------- ---------- Weighted average of common and common equivalent shares 8,339,236 7,629,890 8,274,108 6,941,145 ========== ========== ========== ========== Net income per common share Primary $0.32 $0.26 $0.78 $0.64 ========== ========== ========== ========== Fully diluted $0.32 $0.26 $0.78 $0.64 ========== ========== ========== ========== Primary additions from assumed exercise of stock options and warrants are net of assumed purchase of common shares at the average market price during the period. Fully diluted earnings per share was determined in the same manner except that the greater of period end or period average stock price was used.