A company reports the following: Net income Preferred dividends Average stockholders' equity Average common stockholders' equity $315,000 12,600 2,441,860 1,446,890 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 % %