Sheridan Company has 7500 shares of 5%, $100 par value, cumulative preferred stock and 15000 shares of $1 par value common stock outstanding at December 31, 2020. There were no dividends declared in 2018. The board of directors declares and pays a $71250 dividend in 2019 and in 2020. What is the amount of dividends received by the common stockholders in 2020?