A company reports the following:

Net income	$215,000
Preferred dividends	8,600
Average stockholders' equity	1,936,937
Average common stockholders' equity	942,466

Determine (a) the 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	%