Firm M has a margin of 7%, turnover of 1.6, sales of $820,000, and average stockholders' equity of $350,000. Required: Calculate Firm M's average total assets, net income, return on investment (ROI), and return on equity (ROE). Choose Numerator: Average Total Assets Choose Denominator: Average Total Assets Average Total Assets Choose Factors: Net Income Choose Factors: Net Income Net Income Choose Numerator Return on Investment Choose Denominator: Return on Investment Return on Investment Return on Equity Choose Denominator: Choose Numerator: Return on Equity Return on Equity