27. On December 31, 2020, S Corporation had 100,000 shares of common stock and 20,000 shares of 8%, $100 par value cumulative preferred stock, convertible into 37,000 shares of common stocks, issued and outstanding. In 2009, $1,000,000 of 9% bonds, convertible into 20,000 common shares, were issued at face value. Net income for the year ended December 31, 2021 is $600,000. The income tax rate is 30%. What is 2021 diluted earnings per share? A. None is correct B. $4.20 C. $4.22 I D. $4.19