3. The sales, income from operations, and invested assets for each division of Jamieson Company are as follows: Income from Operations $550,000 760,000 860,000 Invested Assets $2,400,000 2,500,000 2,800,000 Sales $4,000,000 4,800,000 7,000,000 Division E Division F Division G (a) Using the DuPont formula, determine the profit margin, investment turnover, and rate of return on investment for each division. Round to one decimal place. Which is (are) the most profitable per dollar invested? (b) (17 points)