Selected sales and operating data for three divisions of different structural engineering firms are given as follows: Division B Division C $5,300,000 $9,300,000 $8,400,000 Average operating assets $1,060,000 000 $1.680,000 Net operating income 233,200 781,200 138,600 Minimum required rate of return 13.00% 10.00% 16.80% Required: 1. Compute the retum on investment (RO) Ar each division using the formula stated in terms of margin and turnover. (Round your answers to 2 decimal places.) ROI Margin Turnover Division A Division B Division C 2. Compute the residual income (loss) for each division. (Loss amounts should be indicated by a minus sign. Round your "Required rate of return" to 2 decimal places.) Division C Division A Division B Average operating assets Required rate of return Required operating income Actual operating income Required operating income (above) Residual income (loss)