can anyone help me solve the diluted earning per share? my answer was incorrect

There were no changes during 2021 in the number of common shares, preferred shares, or convertible bonds outstanding. There is no treasury stock. The company also has common stock options (granted in a prior year) to purchase 81,600 shares of common stock at $20 per share. (a) Compute basic earnings per share for 2021. (Round answer to 2 decimal places, es. \$2.55.) There were no changes during 2021 in the number of common shares, preferred shares, or convertible bonds outstandi treasury stock. The company also has common stock options (granted in a prior year) to purchase 81,600 shares of comi $20 per share. (a) Compute basic earnings per share for 2021. (Round answer to 2 decimal places, e- $2.55. ) Basic earnings per share $ (b) Compute diluted earnings per share for 2021. (Round answer to 2 decimal places, eg. $2.55 ) Diluted earnings per share