The owners of a chain of fast$-$food restaurants spend $$28$ million installing donut makers in all their restaurants. This is expected to increase cash flows by $$10$ million per year for the next five years. If the discount rate is $7\%,$ were the owners correct in making the decision to install donut makers?

A$.$ No$,$ as it has a net present value $($NPV$)$ of $-$$$3$ million.

B$.$ No$,$ as it has a net present value $($NPV$)$ of $-$$$1$ million.

C$.$ Yes, as it has a net present value $($NPV$)$ of $$13$ million.

D$.$ Yes, as it has a net present value $($NPV$)$ of $$8$ million.