in the following table: $$ The firm has a cost of capital of $11\%.$

a$.$ Calculate the payback period for the proposed investment.

b$.$ Calculate the discounted payback period for the proposed investment.

c$.$ Calculate the net present value $($NPV$)$ for the proposed investment.

d$.$ Calculate the probability index for the proposed investment.

e$.$ Calculate the internal rate of return $($IRR$)$ for the proposed investment.

f$.$ Calculate the modified internal rate of return $($MIRR$)$ for the proposed investment.

g$.$ Evaluate the acceptability of the proposed investment using NPV$,$ IRR, and MIRR.

a$.$ The payback period of the proposed investment 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.$)$gg