Wininger Corporation has 1 comma 5001,500 shares of 6%, $50 par value, cumulative preferred stock and 25,000 shares of $1 par value common stock outstanding on December 31, 2019 and December 31, 2020. The board of directors declared and paid a $2,000 dividend in 2019. In 2020, $ 21 comma 000$21,000 of dividends are declared and paid. What are the dividends received by the common stockholders in 2020 (there were no dividends in arrears prior to 2019)?