What information does the payback period provide? Suppose Extensive Enterprises's CFO is evaluating a project with the following cash inflows. She does not know the project's initial cost; however, she does know that the project's regular payback period is $2\mathrm{.}5$ years. If the project's weighted average cost of capital $($WACC$)$ is $10\%,$ what is its NPV$?$

$[$ $ $386,824$; $ $368,404$; $ $442,085$; $ $349,984]$