The sales, income from operations, and invested assets for each division of Jamieson Company are as follows: Using the expanded ROI expression, determine the profit margin, investment turnover, and rate of return on investment for each division. Round to one decimal place. Based on (a) above, which division: uses their assets most efficiently? has the better profit margin? has the best overall ROI? Determine the residual income for each division if the minimal ROI is 10%. Which is (are) the most profitable divisions based on Residual income