Metlock, Inc. had net income of $88450 and paid dividends of $27500 to common stockholders and $16000 to preferred stockholders in 2017. Metlock, Inc. common stockholders' equity at the beginning and end of 2017s was $495000 and $540000, respectively. Metlock, Inc. return on common stockholders' equity is

18%.

14%.

13%.

9%.