Brewer Company had 300,000 shares of common stock outstanding during the year 2004.

Brewer Company had 300,000 shares of common stock outstanding during the year 2004. In addition, at December 31, 2004, 70,000 shares were issuable upon exercise of executive stock options which require a $40 cash payment upon exercise (options granted in 2002). The average market price during 2004 was $50.Compute the number of shares to be used in determining diluted earnings per share for 2004.