SUPERVALU, one of the largest grocery retailers in the United States, is headquartered in Minneapolis. Suppose the following financial information (in millions) was taken from the company's 2022 annual report: net sales $44,900, net income $436, beginning stockholders' equity $2,620, and ending stockholders' equity $2,959. There were no dividends paid on preferred stock. Compute the retum on common stockholders' equity. (Round answer to 2 decimal places, eg. 12.56\%.) The return on common stockholders' equity ratio %