Sealy Corporation had the following information in its financial statements for the years ended 2014 and 2015: Cash dividends for the year 2015 $5,000 Net income for the year ended 2015 87,000 Market price of stock, 12/31/14 10 Market price of stock, 12/31/15 12 Common stockholders' equity, 12/31/14 1,000,000 Common stockholders' equity, 12/31/15 1,200,000 Outstanding shares, 12/31/15 100,000 Preferred dividends for the year ended 2015 10,000 What is the rate of return on common stock equity for Sealy Corporation for the year ended 2015?