1 EXHIBIT 11.1 CALCULATION OF EARNINGS PER SHARE FOR THE THREE MONTHS ENDED MARCH 29, 1997 AND MARCH 30, 1996 - ----------------------------------------------------------------------------------------------------------------- THREE MONTHS THREE MONTHS ENDED ENDED MARCH 29, 1997 MARCH 30, 1996 - ----------------------------------------------------------------------------------------------------------------- Net income . . . . . . . . . . . . . . . . . . . . . . . $ 1,179,293 $ 957,301 =========== =========== Common and common equivalent shares: Weighted average number of common shares outstanding during the period . . . . . . . . . . . . . . . . . 5,631,878 5,443,830 Common shares issuable upon exercise of outstanding stock options Primary . . . . . . . . . . . . . . . . . 343,797 413,736 Fully diluted . . . . . . . . . . . . . . 343,797 422,306 Common and common equivalent shares outstanding during the period Primary . . . . . . . . . . . . . . . . . 5,975,675 5,857,566 =========== =========== Fully diluted . . . . . . . . . . . . . . 5,975,675 5,866,136 =========== =========== Earnings per share data Net income per common and common equivalent shares Primary . . . . . . . . . . . . . . . . . $ 0.20 $ 0.16 Fully diluted . . . . . . . . . . . . . . $ 0.20 $ 0.16 16