An investment center manager is considering three possible investments. The company's required return is 10%. The required asset irvestment, controllable margins, and the ROIs of each investment are as follows: The investment center is currently generating an ROI of 23% based an $1,220,000 in operating assets and a controllable margin of $299.000. If the manager can select only one project, determine which is the bestchoice to increase the investment center's ROI by computing the investment center's Rol for each of the lavestment altematives. (Round answer to 1 decimal plece, e.s. 52.5.) is the best choice and ROI will be