Selected sales and operating data for three divisions of different structural engineering firms are given as follows: Division A Division B Division C Sales $5,300,000 9,300,000 $8,400,000 Average operating assets $1,060,000 4,650,000 $1,680,000 Net operating income 233,200 781,200 138,600 Minimum required rate of return 13.00% 16.80% 10.00% Required: 1. Compute the return on investment (ROI) for each division using the formula stated in terms of margin and turnover. (Round your answers to 2 decimal places.) Margin ROI 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 A Division B Division C Average operating assets Required rate of return Required operating income Actual operating income Required operating income (above) Residual income (loss)