One division of the Marvin Educational Enterprises has depreciable assets costing $5,500,000. The cash flows from these assets for the past three years have been $2,062.500 investment (ROI) calculations, Marvin uses end-of-year balances ted to ncrease 20% each year Marvin used the straight-line depreciation method the estimated useful life is 10-years with no salvage value. For return or What is the ROI using current costs and gross book value? 24,2% 34.5% 23,6% 29 4% 21.7% 26.7% 20.2% 14.2% 13.6% O Option B O Opton C O Opion D