On January 1, 2020, Grouper Company issued 10-year, $1,980,000 face value, 6% bonds, at par. Each $1,000 bond is convertible into 15 shares of Grouper common stock. Grouper's net income in 2020 was $479,400, and its tax rate was 20%. The company had 102,000 shares of common stock outstanding throughout 2020. None of the bonds were converted in 2020. (a) Compute diluted earnings per share for 2020. (Round answer to 2 decimal places, e.g. $2.55.) Diluted earnings per share $ 4.36 (b) Compute diluted earnings per share for 2020, assuming the same facts as above, except that $1,020,000 of 6% convertible preferred stock was issued instead of the bonds. Each $100 preferred share is convertible into 5 shares of Grouper common stock. (Round answer to 2 decimal places, e.g. $2.55.) Diluted earnings per share $ 4.48