2. The sales, income from operations, and invested assets for each division of Groben Company are as follows: Sales Income from Operations Invested Assets Division E S5,000,000 Division F 4,800,000 Division G 7,000,000 S550,000 860,000 860,000 S2,400,000 2,500,000 2,900,000 (a) Using the Dupont formula, determine the profit margin, investment turnover and rate of return on investment for each division. Round profit margin to two decimal places, investment turnover to four decimal places, and rate of return on investment to one decimal place. (b) Which division is the most profitable per dollar invested