Exercise 1. Return on investment vs. residual income. For each of the following independent cases, the minimum desired Return on Investment is 20% Sales Operating Income Operating Assets Profit Margin Asset Turnover Residual Income Return on Investment Division A P100,000 12% 15% Required: Compute for the missing items. Division B P70,000 8% 2.50 Division C P168,000 10,000 5,280