1 EXHIBIT 11.1 CALCULATION OF EARNINGS PER SHARE FOR THE THREE MONTHS ENDED MARCH 28, 1998 AND MARCH 29, 1997 - -------------------------------------------------------------------------------------------------------------------- THREE MONTHS THREE MONTHS ENDED ENDED MARCH 28, 1998 MARCH 29, 1997 - -------------------------------------------------------------------------------------------------------------------- Net income ............................................................ $1,444,560 $1,179,293 ========== ========== Common and common equivalent shares: Weighted average number of common shares outstanding during the period ............................................... 5,777,666 5,631,878 Common shares issuable upon exercise of outstanding stock options Diluted ................................................ 178,647 343,797 ---------- ---------- Common and common equivalent shares outstanding during the period Diluted ................................................ 5,956,313 5,975,675 ========== ========== Earnings per share data Net income per common and common equivalent shares Basic .................................................. $ 0.25 $ 0.21 Diluted ................................................ $ 0.24 $ 0.20 16