Return on Stockholders' Equity A company reports the following: Net income Preferred dividends Average stockholders' equity $240,000 9,600 1,804,511 1,238,710 Average common stockholders' equity Determine (a) the return on stockholders' equity and (b) the return on common stockholders' equity. If required, round your percentages to one decimal place. a. The rate earned on stockholders' equity b. The rate earned on common stockholders' equity % %