Profitability ratios The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 2017, 2016, and 2015: December 31 December 31 December 31 2017 20Y6 2015 Total assets $238,000 $214,000 $190,000 Notes payable (8% interest) 80,000 80,000 80,000 Common stock 32,000 32,000 32,000 Preferred 3% stock, $100 par (no change during year) 16,000 Retained earnings 80,620 16,000 59,720 16,000. 48,000 The 2017 net income was $21,380, and the 2016 net income was $12,200. No dividends on common stock were declared between 2015 and 2017. Preferred dividends were declared and paid in full in 2016 and 2017. 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 When required, round your answers to one decimal place. 2017 20Y6 Return on total assets X % X% Return on stockholders equity X % X % Return on common stockholders' equity X % X%