On December 31, Mercury Corporation has the following data available: Net Income Interest expense Total assets at the beginning of the year Total assets at the end of the year Total common stockholders' equity at the beginning of the year Total common stockholders' equity at the end of the year $180,000 10,000 810,000 740,000 520,000 510,000 What is return on equity? (Round your final answer to two decimal places, X.XX%) O A. 34.95% B. 21.94% OC. 36.89% OD. 33.01%