Please help me solve (especially payback / discount payback)

A firm with a 13W WACC is evaluating two projects for this year's capatal budget. Arter-tax cash flows, including deprecation, are as follows: a. Catculate NPV for each brolect. hound your aniwers to the nearest cent, Do not round your intermediate calculations. Project M Projectis Calcuinte the for each sroject Round your answers to two decimal places. Do not round vour intermediate calculations. moject M Project N Calculas MiRa for each oroject, Round your answers to two dedmal ploces. Do not round your intermediate catculations. Project M Project N Calculate payback for sach peolect. Round vour answers to two decimal places. Do not round your intermediate calculations. Project M hoject N years Calculate ofscounted novback for each project. Round your answers to two decimal ptaces. Do not round your intermediate calculations. Projoct 49 Frogect N yean. years b. Assuming the peojecr are independenk, which one(s) would you recommend? C. If the projects are matually exclasivg, which would you recommend