This Question: 1 pt 25 of 40 (4 complete) ? Nubela Manufacturing is considering two alternative investment proposals with the following data: Proposal X Proposal Y $600,000 5 years $2,100,000 $100,000 $20,000 Straight- line Straight- line 10% $10,500,000 Useful life Estimated annual net cash inflows for 5 years Residual value Depreciation method Required rate of return Calculate the payback period for Proposal X. 5 years $55,000 13% O A. 5 years O B. 8 years O C. 4 years O D. 10 years