please help! thank you!

The following financial statement information is available for Sheffield Corporation: 2020 2012 Stockholders' equity - common $400000 $300000 Net sales 760000 700000 Cost of goods sold 430000 440000 Net income 100000 80000 Inc tax expense 50000 20000 Interest expense 20000 20000 30000 20000 Dividends paid to preferred stockholders Dividends paid to common stockholders 10000 11000 The return on common stockholders' equity for 2020 is 20.0%. 19.2% 25.0%. 17.1%