Sheffield Company's net income for 2025 is $53,200. The only potentially dilutive securities outstanding were 1,000 options issued during 2024 , each exercisable for one share at $6. None has been exercised, and 10,700 shares of common were outstanding during 2025. The average market price of Sheffield's stock during 2025 was $25. a. Compute diluted earnings per share. (Round answer to 2 decimal places, e.g. 2.55.) Diluted earnings per share $ b. Assume the same facts as those assumed for part (a), except that the 1,000 options were issued on October 1, 2025 (rather than in 2024). The average market price during the last 3 months of 2025 was $25. (Round answer to 2 decimal places, e.g. 2.55.) Diluted earnings per share $