please help with return on common stockholders equity

Profitability Ratios The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 2017, 2086, and 20YS: December 31 2017 20Y6 2015 Total assets $171,000 $154,000 $137,000 Notes payable (8% interest) 60,000 60,000 60,000 Common stock 24,000 24,000 24,000 Preferred 4% stock, $100 par 12,000 12,000 12,000 (no change during year) Retained earnings 64,875 46,980 36,000 The 2077 net income was $18,375, and the 20Y6 net income was $11,460. No dividends on common stock were declared between 2015 and 2047. Preferred dividends were declared and paid in full in 20Y6 and 2017 a. Determine the return on total assets, the return on stockholders' equity, and the return on common stockholders' equity for the years 2046 and 2047. When required, round to one decimal place. 2017 2016 Return on total assets 14.3 % 11.2 % Return on stockholders' equity 20 % 14.8 % Return on common stockholders' equity % % b. The profitability ratios indicate that the company's profitability has improved Since the return on assets is less than the return on