On January 1, 2025, Sheffield Company issued 10-year, $1,810,000 face value, 6% bonds, at par. Each $1,000 bond is convertible into 15 shares of Sheffield common stock. Sheffield's net income in 2025 was $470,450, and its tax rate was 20%. The company had 97,000 shares of common stock outstanding throughout 2025. None of the bonds were converted in 2025. a. Compute diluted earnings per share for 2025. (Round answer to 2 decimal places, e.g. 2.55.) Diluted earnings per share $ b. Compute diluted earnings per share for 2025, assuming the same facts as above, except that $970,000 of 6% convertible preferred stock was issued instead of the bonds. Each $100 preferred share is convertible into 5 shares of Sheffield common stock. Diluted earnings per share $