Please help me answer this in excel: A Company is considering two mutually exclusive projects whose expected net cash flows are in the table below. The company's WACC is $\backslash (15\backslash \%\backslash ).$ What is the NPV for Project $\backslash ($ Y $\backslash )?$ What is the NPV for Project Z$?$ What is the IRR for Project $\backslash ($ Y $\backslash )?$ What is the IRR for Project Z$?$ Which Project, if any, should you choose? $(10$ points$)$