Consider the following data for a corporation: Net income, $780,000 Preferred stock dividends, $60,000 Market price per share of stock, $5,000,000 Average common stockholders' equity, $3,500,000 Cash dividends declared on common stock, $20,000 What is the return on common stockholders' equity? O 19.20% 0 20.57% O 21.71% 14.50% 20.00%