The income statement for Stretch-Tape Corporation reports net sales of $302, 400 and net income of $39, 600. Average total assets for the year are S720,000. Stockholders' equity at the beginning of the year was $420,000. and $12,000 was paid to stockholders as dividends during the year. There were no other stockholders' equity transactions that occurred during the year. Required: Calculate the return on assets, profit margin, asset turnover, and return on equity ratios. (Round your answers to 1 decimal place.)