Brief Exercise 10-9 Your answer is incorrect. Try again. For its three investment centers, Gerrard Company accumulates the following data: I II III Sales $1,906,000 $3,949,000 $4,008,000 Controllable margin 1,324,700 2,307,530 4,010,160 Average operating assets 5,095,000 7,957,000 12,152,000 Compute the return on investment (ROI) for each center. II III The return on investment % % % Click if you would like to Show Work for this question: Open Show Work