help please

Return on investment The income from operations and the amount of invested assets in each division of Beck Industries are as follows: Invested Assets Income from Operations $60,900 $290,000 Retail Division Commercial Division Internet Division 138,700 730,000 218,400 840,000 a. Compute the return on investment for each division. (Round to the nearest whole number.) Percent Division 994 Retail Division % Commercial Division 96 Internet Division b. Which division is the most profitable per dollar invested