The following information pertains to Pina Colada Corp. Assume that all balance sheet amounts represent average balance figures. Total assets $404000 198500 Stockholders' equity- common Total stockholders' equity 279000 Sales revenue 124000 Net income 28500 Number of shares of common stock 8000 Common dividends 5000 Preferred dividends 5800 What is Pina's return on common stockholders' equity? 13.4%. 11.4%. 8.4%. 7.7%