7.

For its three investment centers, Gerrard Company accumulates the following data: - 11 Sales $2,031,000 $3.937,000 $3.947,000 Controllable margin 895,500 2,663,100 4,812,000 Average operating assets 4.975,000 8,070,000 12,030,000 Compute the return on investment (ROI) for each center. - II The return on investment % de %