how do i solve this on excel please helppp

please solve the work on excel with the steps please

hile Home insert Page Lapout formalas Dita Review View Automate 4. 4 (3) 4 Sheet1 L \begin{tabular}{|l|c|c|c|} \hline Name & Grade & \\ \hline Sara Ali & 95 & Min grades & \\ \hline Nora Hamad & 90 & Max grades & \\ \hline Reem Ahmed & 99 & Average grades & \\ \hline Sara Alimed & 80 & Sum grades & \\ \hline MonecraAli & 75 & & \\ \hline Layla Asad & 85 & & \\ \hline \end{tabular} (PV): Buy or sell a product by installments \begin{tabular}{|c|c|} \hline & (PV): Buy or sell a product by installients \\ \hline Inflation rate & 5% \\ \hline MonthlyinstallmentDuration(Year) & 2000 \\ \hline PV & 5 \\ \hline \end{tabular} \begin{tabular}{|c|c|} \hline & (FV): Savings \\ \hline PV & 10000 \\ Inflation rate \\ Duration (Year) & 5% \\ \hline FV & 5 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|} \hline & & NPV \\ \hline 0 & -800 & \\ \hline 1 & 100 & \\ \hline 2 & 200 & \\ \hline 3 & 300 & \\ \hline 4 & 400 & \\ \hline 5 & 500 & \\ \hline Rate & 10% & \\ \hline & & \\ \hline & & \\ \hline \end{tabular}