An investment center manager is considering three possible investments. The company's srequired returnis 10\%. The required asset investment, controllable margins, and the ROIs of each investment are as follows: The investment center is currently generating an ROr of 23%6 based on $1,215,000 in operating assets and a controllabie marsin of $294,000. If the manager can select only one project, determine which is the best choice to increase the investment centers ROI by computing the investment center's ROl for each of the investment alternatives. (Round answer to 1 decimal place, e.g. 52.5.) is the best choice and ROI will be