The 20Y7 net income was $14,605, and the 20Y6 net income was $10,980. No dividends on common stock were declared between 20Y5 and 20Y. 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 20Y6 and 20Y. Round percentages to one decimal place. b. The profitability ratios indicate that the company's profitability has . Since the rate of return on total assets is the return on stockholders' equity in both years, there must be leverage from the use of debt