Mr$.$ Dell has $$100$ income this year and zero income next year. The expected return from investing in the stock market is $10$ percent a year. Mr$.$ Dell also has an investment opportunity having the same risk as the market in which he can invest $$50$ this year and receive $$80$ next year. Suppose Mr$.$ Dell consumes $$50$ this year and invests in the project. What is the NPV of the investment opportunity?

Question $11$ options:

C$)$ $$22\mathrm{.}73$

A$)$ $$0$

B$)$ $$5$

D$)$ none of the options