Common stockholders’ profitability analysis

A company reports the  following:

Net income                                                                                          $1,000,000

Preferred dividends                                                                                 50,000

Average  stockholders’ equity                                                    6,250,000

Average  common  stockholders’ equity                             3,800,000

Determine (a) the rate earned on stockholders’ equity and (b) the rate earned on common stockholders’ equity. Round to one decimal   place.