Use the following information to find dividends paid to common stockholders during 2018. Balance of Retained Earnings, December 31, 2017 $ 52 m Plus: Net Income for 2018 21 m Less: Cash Dividends Paid Preferred Stock $ 7 m Common Stock 10 m Total Cash Dividends Paid 17 m Balance of Retained Earnings, December 31, 2018 $ 56 m $10 million $4 million $ 17 million $3 million