manufacturing firm reported the following sales and operating data for its 3 segments: sales average operating assets net operating income minimum required rate of return segment 1 segment 2 segment 3 $10,000,000 $12,000,000 $25,000,000 $4,000,000 $4,000,000 $5,000,000 $600,000 $400,000 $800,000 13% 12% 16% required: 1. compute the return on investment (roi) using the formula in terms of margin and turnover 2. compute residual income for each division 3. assume each division is presented with a long-term investment opportunity that will yield a 14% rate of return a.) if performance is being measured by roi, which division(s) will probably accept the opportunity? why? b.) if performance is being measured by residual income, which divisions will probably accept the opportunity? why?