Redwood Corporation is considering two alternative investment proposals with the following data: Proposal X Proposal Y Investment $880,000 $501,000 Useful life 10 years 10 years Estimated annual net cash inflows for 10 years $130,000 $88,000 Residual value $20,000 Depreciation method Straight-line Straight-line Required rate of retum 19% 9% How long is the payback period for Proposal Y? O A. 5.69 years OB. 6.77 years OC 25.05 years OD. 44.00 years