K On December 31, Sulfur Corporation has the following data available: Net Income $110,000 Interest expense 20,000 Total assets at the beginning of the year 780,000 Total assets at the end of the year 880,000 Total common stockholders' equity at the beginning of the year 430,000 Total common stockholders' equity at the end of the year 300,000 What is return on equity? (Round your final answer to two decimal places, X.XX%.) A. 21.92% B. 27.4% OC. 30.14% OD. 12.05%