One division of the Marvin Educational Enterprises has depreciable assets costing $4,800,000. The cash flows from these assets for the past three years have been: N Year Cash flows 1 $1,824,000 2 $2,064,000 3 $2,136,000 The current (i.e., replacement) costs of these assets were expected to increase 15% each year. Marvin used the straight-line depreciation method and the assets had an estimated useful life of 10 years with no salvage value. For return on investment (ROI) calculations, Marvin uses end-of-year balances. What is the ROI using historical cost and gross book value? Year 1 Year 2 Year 3 A. 28.0% 33.0% 34.5% B. 33.0% 36.0% 36.0% C. 26.0% 34.5% 32.0% D. 38.0% 43.0% 44.5%