For its three investment centers, Pronghorn Company accumulates the following data: || III Sales $2,080,000 $4,160,000 $4,160,000 Controllable margin 1,456,000 2,080,000 3,744,000 Average operating assets 5,200,000 8,320,000 10,400,000 Compute the return on investment (ROI) for each center. The return on investment eTextbook and Media Save for Later % || III % % Attempts: 0 of 3 used Submit