Three Months Ended Nine Months Ended September 30 September 30 1998 1997 1998 1997 Basic: Average shares outstanding 18,318,644 18,129,647 18,304,493 18,121,209 Net earnings applicable to common stock and common stock equivalents $ 929,000 $(3,337,000) $11,520,000 $6,468,000 Basic earnings per share $0.05 $(0.18) $0.63 $0.36 Diluted: Average shares outstanding 18,318,644 18,129,647 18,304,493 18,121,209 Net effect of dilutive stock options based on treasury stock method using the average market price to common stock and common stock equivalents 76,385 89,624 106,353 67,504 Average number of common shares and common equivalent shares 18,395,029 18,219,271 18,410,846 18,188,713 Net earnings applicable to common stock and common stock equivalents $ 929,000 $(3,337,000) $11,520,000 $6,468,000 Diluted earnings per share $0.05 $(0.18) $0.63 $0.36