For its three investment centers, Martinez Company accumulates the following data: I II III

Sales 2000000 3750000 3730000

Controllable Margin 1400000 1708250 3208810

Average Operating Assets 5000000 7630000 9860000

The centers expect the following changes in the next year: (I) increase sales 10%; (II) decrease costs $390,000; (III) decrease average operating assets $450,000. 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: % % %