Profitability Ratios The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 2017, 20Y6, and 20Y5: 20Y7 December 31 20Y6 20Y5 Total assets $331,000 $298,000 $265,000 Notes payable (8% interest) 110,000 110,000 110,000 Common stock 44,000 44,000 44,000 Preferred 3% stock, $100 par 22,000 22,000 22,000 (no change during year) Retained earnings 138,700 93,750 66,000 The 2017 net income was $45,610, and the 2016 net income was $28,410. No dividends on common stock were declared between 2005 and 20Y7. 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 to one decimal place. Return on total assets Return on stockholders' equity Return on common stockholders' equity 20Y7 % % 20Y6 X % % % % b. The profitability ratios indicate that the company's profitability has improved of debt. . Since the return on assets is less than the return on stockholders' equity in both years, there must be positive leverage from the use