Selected sales and operating data for three divisions of a multinational structural engineering firm are provided below: Division Europe orth America Asia Sales 18,000,000 $20,000,000 31,000,000 Average operating assets 4,500,000 7.160.000 12.400.000 585,000 580,000 Net operating income 1.116,000 13% Minimum required rate of return 15% 9 Required: 1. Compute the ROI for each division using the formula stated in terms of margin and turnover (Do not round intermediate calculations and round your final answers to the nearest whole percent.) ROI Asia division Europe division North America division