Brewer Inc. has 5,000 shares of 8%, $50 par value, cumulative preferred stock and 100,000 shares of $1 par value common stock outstanding at December 31, 2014, and December 31, 2013. The board of directors declared and paid a $15,000 dividend in 2013. In 2014, $60,000 of dividends are declared and paid. What are the dividends received by the preferred stockholders in 2014?