Brief Exercise 10-10 For its three investment centers, Gerrard Company accumulates the following data: Sales Controllable margin Average operating assets $1,980,000 $3,916,000 $4,041,000 1,169,320 2,150,2804,597,620 5,084,000 7,964,000 12,099,000 The centers expect the following changes in the next year: I increase sales 2096, ) decrease costs $390,000-m decrease average operating assets $496 000 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.) The expected return on investment