Firm J has net income of $92,590, sales of $985,000, and average total assets of $394,000. Required: Calculate Firm J's margin, turnover, and return on investment (ROI). Margin Choose Numerator: / Choose Denominator: Margin = Margin Turnover Choose Numerator: Choose Denominator: = = 11 Turnover Turnover Return on Investment Choose Numerator: / Choose Denominator: = Return on Investment Return on Investment