Wildhorse Co. had net income of $114100 and paid dividends of $33000 to common stockholders and $16000 to preferred stockholders in 2017. Wildhorse Co. common stockholders' equity at the beginning and end of 2017s was $490000 and $600000, respectively. Wildhorse Co. return on common stockholders' equity is

17%.

22%.

18%.

13%.