Common Stockholders' Profitability Analysis A company reports the following:

Net income $315,000
Preferred dividends 12,600
Average stockholders' equity 2,266,187
Average common stockholders' equity 1,625,806
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
%