Ebrahim Wares is a division of a major corporation. The following data are for the latest year of operations Sales 314,720.000 Net operating income 31.000,960 Average operating assets 54,000,000 The company's minimum required rate of return 14 Required: a. What is the division's margin? (1/2 mark) b. What is the division's turnover? (1/2 mark) c. What is the division's return on investment (ROU? (1/2 mark) d. What is the division's residual income? (1 mark) e. Which of the two measures in cand d above is a better measure of performance and why? (1.5 mark)