Vaughn Manufacturing had the following information in its financial statements for the years ended 2020 and 2021: Cash dividends for the year 2021 $4800 Net income for the year ended 2021 96500 Market price of stock, 12/31/20 8 Market price of stock, 12/31/21 10 Common stockholders' equity, 12/31/20 1002000 Common stockholders' equity, 12/31/21 1191000 Outstanding shares, 12/31/21 100000 15100 Preferred dividends for the year ended 2021 What is the rate of return on common stock equity for Vaughn Manufacturing for the year ended 2021?