Use the following information to find dividends paid to common stockholders during 2015. (Input all amounts as positive values. Enter your answers in millions.) 2015 Balance of retained earnings, December 31, 2014 $ 472 m Plus: Net income for 2015 40 m Less: Cash dividends paid Preferred stock $ 1 m Common stock m Total cash dividends paid m Balance of retained earnings, December 31, 2015 $ 498 m