Question 17 of 50 - 75 III An investment center manager is considering three possible investments. The company's required return is 10%. The required asset investment, controllable margins, and the Rols of each investment are as follows: Project Average Investment Controllable Margin AA $175,000 $48,550 BB 155,000 31,320 CC 235,000 82,100 The investment center is currently generating an ROI of 23% based on $1,215,000 in operating assets and a controllable margin of $292,000. If the manager can select only one project, determine which is the best choice to increase the investment center's ROI by computing the investment center's ROI for each of the investment alternatives. (Round answer to 1 decimal place, e.g. 52.5.) is the best choice and ROI will be %