Mark to review this Kase Tractor Company allows its divisions to operate as autonomous units. Its results for the current year were as follows: ous | Next Plows Tractors Combines Revenues $2,250,000 $500,000 $4,800,000 Current assets 800,000 152,500 1,435,000 Capital assets 1,000,000 400,000 1,750,000 Q Current liabilities 350,000 75,000 540,000 Net operating income 220,000 60,000 480,000 After-tax income 143,000 39,000 312,000 Weighted average cost of capital 8.5% 8.5% 8.5% Q Required: a. Compute the return on sales for each division. (3 marks) b. Compute the return on investment for each division based on total assets employed. (3 marks) Q c. Compute the economic value added for each division (3 marks) d. If you were the manager of the tractor division, which method of performance evaluation would you prefer. Why? (1 mark)