Megamart, a retailer of consumer goods, provides the following information on two of its departments (each considered an investment center). Net Average Investment Center Electronics Sporting goods Sales S 10,700,000 Income Invested Assets 500,500 3,850,000 656,0004,100,000 1-a. Compute return on investment for each department. Return on Investment Choose Numerator: Choose Denominator: | Return on Investment = Return on investment Electronics Sporting Goods 1-b. Using retum on investment, which department is most efficient at using assets to generate returns for the company