Consider the following cash flows of two mutually exclusive projects for AZ$-$Motorcars.

Assume the discount rate for both projects is $11$ percent.

a$.$ What is the payback period for each project? $($Do not round intermediate

calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$ What is the NPV for each project? What is the IRR for each project?