Whispering Corporation reported net income of $256,960 in 2025 and had 47,400 shares of common stock outstanding throughou the year. Also outstanding all year were 5,500 shares of cumulative preferred stock, each convertible into 2 shares of common. The preferred stock pays an annual dividend of $5 per share. Whispering's tax rate is 50%. Compute Whispering's 2025 diluted earnings per share. (Round answer to 2 decimal places, e.g. 3.55.) Diluted earnings per share 6.13