I know the answer I want to learn the steps needed for the NPV in calculator or excel.

15. The owners of a chain of fast-food restaurants spend $26 million installing donut makers in all their restaurants. This is expected to increase cash flows by $11 million per year for the next five years. If the discount rate is 6.3%, were the owners correct in making the decision to install donut makers? A. No, as it has a net present value (NPV) of - $4 million B. Yes, as t has a net present value (NPV) of $12 million c. No, as it has a net present value (NPV) of - $2 million D. Yes, as it has a net present value (NPV) of $20 milion