Answer:
Return on common stockholders' equity=0.0933=9.33 %
Step-by-step explanation:
Net Income=$200,000
Preferred Stockholder Dividends=Number of shares* value per share*interest
Preferred Stockholder Dividends=10000*$100*6%
Preferred Stockholder Dividends=10000*$100*0.06
Preferred Stockholder Dividends=$60,000
Average Common stockholders' equity= (Equity at start of year+Equity at end of year)/2
Average Common stockholders' equity=

Average Common stockholders' equity=$1,500,000
Return on common stockholders' equity=(Net Income-Preferred Stockholder Dividends)/Average Common stockholders' equity
Return on common stockholders' equity=

Return on common stockholders' equity=0.0933=9.33 %