Firm J has net income of $77,605, sales of $935,000, and average total assets of $467,500. Required: Calculate Firm J's margin, turnover, and return on investment (ROI). Choose Numerator: Margin 1 Choose Denominator: 1 1 Margin Margin Choose Numerator: II Turnover 1 Choose Denominator: 1 1 Turnover Turnover = = Return on Investment Choose Numerator: 7 Choose Denominator: 1 1 = Return on Investment Return on Investment Il Il