Prontability Ratios The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 2017, 2016, and 2015: Total assets Notes payable (8% interest) Common stock Preferred 4% stock, $100 par (no change during year) Retained camnings December 31 2017 2016 2015 $287,000 $259,000 $231,000 100,000 100,000 100,000 40,000 40,000 40,000 20,000 20,000 20,000 119,390 1,050 60,000 The 2017 net income was $39,140, and the 20Y6 net income was $21,850. No dividends on common stock were declared between 2025 and 2047. Preferred dividends were declared and paid in full in 2016 and 2017. a. Determine the return on total assets, the rate earned on stockholders' equity, and the return on common stockholders' equity for the years 2016 and 20Y7. When required, round to one decimal place