Three Months Ended March 31 1998 1997 Basic: Average shares outstanding 18,179,043 18,100,954 Net earnings applicable to common stock and common stock equivalents $ 4,905,000 $ 4,387,000 Basic earnings per share $.27 $.24 Diluted: Average shares outstanding 18,179,043 18,100,954 Net effect of dilutive stock options based on treasury stock method using the average market price 108,846 61,964 Average number of common shares and common equivalent shares 18,287,889 18,162,908 Net earnings applicable to common stock and common stock equivalents $ 4,905,000 $ 4,387,000 Basic earnings per share $.27 $.24