how do i calculate earnings per share

A corporation has 3,000 shares, 10% preferred stock of $70.00 par preferred stock, and 9,000 shares of common stock outstanding. The net income for the year is $250,000. Calculate earnings per share. (Round your answer to the nearest cent.) O A. $25.44 O B. $27.78 O C. $70.00 O D. $83.33