All techniques, conflicting rankings Nicholson Roofing Materials, Inc., is considering two mutually exclusive projects, that both cost $$140,000.$ The company's board of directors has set a $4-$year payback requirement the cost of capital is $12\%.$ The project cash flows are shown in the following table:

a$.$ Calculate the payback period for each project. Rank the projects by payback period.

b$.$ Calculate the NPV of each project. Rank the project by NPV$.$

c$.$ Calculate the IRR of each project. Rank the project by IRR.

d$.$ Make a recommendation.

a$.$ The payback period of project $A$ is

years. $($Round to two decimal places.$)$

Data table

$($Click on the icon here in order to copy the contents of the data table below into a spreadsheet.$)$

$\backslash$table$[[,$Cash flows $(C{F}_t)$ SOLVE ALL PARTS A$-$D PLEASE