An investment under consideration has a payback of eight years and a cost of

$$880,000.$ Assume the cash flows are conventional. If the required return is $10$ percent,

what is the worst$-$case NPV$?($A negative answer should be indicated by a minus sign.

Do not round intermediate calculations and round your answer to $2$ decimal places,

e$.$g$.,32\mathrm{.}16.)$

Worst$-$case NPV