The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 2017, 20Y6, and 20Y5: December 31 December 31 December 31 20Y5 20Y7 20Y6 Total assets $4,800,000 $4,400,000 $4,000,000 Notes payable (8% interest) 2,250,000 2,250,000 2,250,000 Common stock 250,000 250,000 250,000 Preferred 4% stock, $100 par (no change during year) Retained earnings 500,000 1,574,000 500,000 1,222,000 500,000 750,000 The 2017 net income was $372,000, and the 2016 net income was $492,000. No dividends on common stock were declared between 2015 and 2017. Preferred dividends were declared and paid in full in 20Y6 and 20Y7. a. Determine the return on total assets, the return on stockholders' equity, and the return on common stockholders' equity for the years 2016 and 2017. Round your answers to one decimal place. 20Y7 20Y6 Return on total assets Return on stockholders' equity % % % % Return on common stockholders' equity % %