Common Stockholders' Profitability Analysis A company reports the following: Net income $320,000 Preferred dividends 12,800 Average stockholders' equity 2,318,841 Average common stockholders' equity 1,559,391 Determine (a) the return on stockholders' equity and (b) the return on common stockholders' equity. If required, round your answers to one decimal place. a. Return on Stockholders' Equity % b. Return on Common Stockholders' Equity %