Redwood Corporation is considering two alternative investment proposals with the following data: Investment Useful life Estimated annual net Proposal X S840,000 9 years Proposal Y $506,000 9 years $135,000 $78,000 $66,000 S- cash inflows for 9 years Residual value Straight-line Straight-line Depreciation methoc Required rate of retum 17% 13% How long is the payback period for Proposal X? O A. 6.22 years B. 10.77 years O C. 7.67 years O D. 12.73 years Click to seiect your