Redwood Corporation is considering two alternative investment proposals with the following data: Proposal X Proposal Y Investment $900,000 $485,000 Useful life 8 years 8 years Estimated annual net cash inflows for 8 years $130,000 $83,000 Residual value $72,000 Depreciation method Straight-line Straight-line Required rate of return 17% 15% $- How long is the payback period for Proposal X? O A. 12.5 years OB. 5.84 years O C. 10.84 years OD. 6.92 years