For its three investment centers, Cheyenne Company accumulates the following data: The compamy expects the following changes for investment centers 1,11 , and III in the next year: imvestment center 1 to increase sales 15%, irvestment center II to decrease controllable fixed costs $328,000, and investment center III to decrease average operating assets $448,000 Compute the expected return on investment (ROI) for each center. Assume investment center I has a contribution margin percentage of 75%. (Round ROI to 1 decimal place, es. 1.5\%)