Nubela Manufacturing is considering two alternative investment proposals with the following data: 15 Calculate the payback period for Proposal X Proposal Y $580,000 5 years $103,000 $26,000 Straight-line 13% Proposal X $10,700,000 5 years $2,140,000 $50,000 Straight-line 12% Investment Useful life Estimated annual net cash inflows for 5 years Residual value Depreciation method Required rate of return Minimized View 05 years 4 years 9 years 8 years