A company reports the following Net income $315.000 Preferred dividendo 12,600 Average stockholders' equity 2,520,000 Average common stockholders' equity 1:433,175 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