Brief Exercise 10-10 Your answer is partially correct. Try again. For its three investment centers, Gerrard Company accumulates the following data: I II III Sales Controllable margin Average operating assets $2,050,000 1,435,000 4,997,000 $4,076,000 2,038,000 7,999,000 $4,041,000 3,636,900 12,076,000 The centers expect the following changes in the next year: (I) increase sales 20%; (II) decrease costs $409,000; (III) decrease average operating assets $492,000. Compute the expected return on investment (ROI) for each center. Assume center I has a controllable margin percentage of 70%. (Round ROI to 1 decimal place, e.g. 1.5%.) I II III The expected return on investment 20.4: 30.6 3.2: % % %