Data for the investment centers for Kowloon Ltd. are given in BE25.9. The centers expect the following changes in the next year: (I) increase sales 15%, (II) decrease costs HK$400,000, and (III) decrease average operating assets HK$500,000. Compute the expected return on investment (ROI) for each center. Assume center I has a controllable margin percentage of 70%.

Data from BE25.9:

For its three investment centers, Kowloon Ltd. accumulates the following data:

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II III HK$4,000,000 HK$ 4,000,000| 3,600,000 10,000,000 Sales Controllable margin Average operating assets HK$2,000,000 1,400,000 2,000,000 8,000,000 5,000,000