eBook Show Me How Calculator Print Item Return on investment The operating Income and the amount of invested assets in each division of Conley Industries are as follows: Operating Income Invested Assets Retail Division $86,100 $410,000 Commercial Division 64,600 340,000 Internet Division 161,200 620,000 a. Compute the return on investment for each division. (Round to the nearest whole percentage.) Division Percent Retail Division Commercial Division Internet Division b. Which division is the most profitable per dollar invested