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). Choose Numerator: / Choose Denominator: = Margin / = Margin / = Turnover Choose Numerator: / Choose Denominator: = Turnover / = Turnover / = Return on Investment Choose Numerator: / Choose Denominator: = Return on Investment / = Return on Investment /