Ayayai Corp. had net income of $91875 and paid dividends of $39000 to common stockholders and $16500 to preferred stockholders in 2017. Ayayai Corp. common stockholders' equity at the beginning and end of 2017s was $440000 and $565000, respectively. Ayayai Corp. return on common stockholders' equity is

15%.

10%.

14%.

19%.