Selected sales and operating data for three divisions of different structural engineering firms are given as follows: Division A Division B Division C Sales $6,500,000 $10,500,000 $9,600,000 $1,300,000 5,250,000 $1,920,000 Average operating assets 364,000 1,008,000 273,600 Net operating income Minimum required rate of return 21.00% 19.20% 18.00% Required: 1. Compute the return on investment (ROI) for each division using the formula stated in terms of margin and turnover. (Round your Turnover answers to 2 decimal places. Round your Margin and ROI percentage answers to 2 decimal places (i e., 0.1234 should be entered as 12.34).) ROI Margin Turnover Division A Division B Division C