Selected sales and operating data for three divisions of different structural engineering firms are given as follows: Sales Average operating assets Net operating income Minimum required rate of return Division A $15,480, eee $ 3,080, eee $ 693,800 7.ee% Division B $28,320,000 $ 7,080,000 $ 396,480 7.50% Division C $25,400,000 $ 5,080,000 $ 736,600 14.50% Required: 1. Compute the return on investment (ROI) for each division using the formula stated in terms of margin and turnover - her