The following information is reported to you from a local company in Bahrain. Sales Minimum required rate of return Turnover Return on investment (ROI) $400,000 8.60% 1 10% Required: show your calculation for each of the following requirements. 1. Calculate the average operating assets. 2. Calculate the margin. 3. Calculate the net operating income. 4. Calculate the minimum required return. 5. Calculate the residual income