Waterway industries, has 4700 shares of 5%, $50 par value, cumulative preferred stock and 100000 shares of $1 par value common stock outstanding at december 31, 2018, and december 31, 2017. the board of directors declared and paid an $7900 dividend in 2017. in 2018, $36100 of dividends are declared and paid. what are the dividends received by the preferred stockholders in 2018? $31400 $11750 $23500 $15600