The net income of a company for the year was $500,000. The company has no preferred stock. Common stockholders' equity was $1,200,000 at the beginning of the year and $2,300,000 at the end of the year. Calculate the rate of return on common stockholders' equity. (Round your answer to two decimal places.) A 28.57% B 17.86% C. 41.67% OD. 21.74%