The shareholders' equity of Williamson Co$.$ includes $$200,000$ of $$1$ par common stock and $$300,000$ par value of $5\%$ cumulative preferred stock. The board of directors declared cash dividends of $$50,000$ in $2021$ after paying $$10,000$ cash dividends in $2020$ and $$30,000$ in $2019.$ What is the amount of dividends common shareholders will receive in $2021?$