Question 3 (20 marks) Ferris Ltd. of Australia has two divisions, one in Perth and one in Darwin. Selected data on the two divisions follow: Division Perth Darwin Sales $9,000,000 $20,000,000 Operating income 630,000 1,800,000 Average operating assets 3,000,000 10,000,000 Required: 1. Compute the ROI for each division. (8 marks) 2. Assume that the company evaluates performance using residual income and that the minimum required rate of return for any division is 16%. Compute the residual income for each division. (8 marks) 3 Is the Darwin Division's greater residual income an indication that it is better managed? (4 marks)