I need you to show the formulas please? Compute the expected return on investment (ROI) for each center.

Brief Exercise 24-10 For its three investment centers, Gerrard Compamlr accumulates the following data: I [I [II Sales $1,980,000 $3,916,000 $4,041,000 Controllable margin 1,169,320 2,150,280 4,597,620 Average operating assets 5,084,000 7,964,000 12,099,000 The centers expect the following changes in the next year: [1) increase sales 20%; (II) decrease costs $390,000; (111) decrease average operating assets $496,000. Compute the expected return on investment (ROI) for each center. Assume centerI has a controllable margin percentage 0' 70%. (Round ROI to 1 decimal place, e.g. 1.5. J The expected return on Investment % q,\" % LINK'I'D'I'EXT