requirement the cost of capital is $9\%.$ 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 inflows $(C{F}_t)$