i need the actual excel formula

A firm is evaluating a project with the following cash flows. At a required return of 11 percent, what is the project's NPV? What if the required return is 24 percent? Input area: \begin{tabular}{|lrr|} \hline Required Return & & 11% \\ Required Return & & 24% \\ Year 0 & $ & (41,000) \\ Year 1 & $ & 20,000 \\ Year 2 & $ & 23,000 \\ Year 3 & $ & 14,000 \\ \hline \end{tabular} (Use cells A6 to B11 from the given information to complete this question. Yo Excel function to answer this question.)