Rate of Return on Investment The income from operations and the amount of invested assets in each division of Devon Industries are as follows: Income from Operations Invested Assets 79,200 99,200 154,000 440,000 620,000 700,000 Health Care Division Commercial Division a. Compute the rate of return on investment for each division. (Round to the nearest whole number.) Division Sporting Goods Division Health Care Division Commercial Divisiorn b. Which division is the most profitable per dollar invested? Percent Commercial Division Health Care Division