Shamrock Corporation had net income of $122,875 and paid dividends of $42,000 to common stockholders and $16,000 to preferred stockholders in 2017. Shamrock Corporation's common stockholders equity at the beginning and end of 2017 was $870,000 and $1,030,000, respectively. Shamrock Corporation's return on common stockholders equity was

• A. 7.25%.

• B. 13.25%.

• C. 11.25%.

• D. 8.25%.