2 The sales, income from operations, and invested assets for each division of Groben Company are as follows Income from Operations Invested Assets Sales Division E $5,000,000 $550,000 $2,400,000 Division F 4,800,000 860,000 2,500,000 Division G 7,000,000 860,000 2,900,000 sing the Dupo formula, determine the pr margin (a) 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? rnover, and