Please do in excel

c) Find the Payback PERIOD for both: Original Cashflow AND Cashflow after Discounting 8% discount \begin{tabular}{|c|cr|} \hline Year & \multicolumn{2}{|c|}{ Cashflow } \\ \hline 0 & $ & (2,500.00) \\ \hline 1 & $ & 1,000.00 \\ \hline 2 & $ & 800.00 \\ \hline 3 & $ & 600.00 \\ \hline 4 & $ & 400.00 \\ \hline 5 & $ & 200.00 \\ \hline 6 & $ & 100.00 \\ \hline 7 & $ & 200.00 \\ \hline 8 & $ & 400.00 \\ \hline \end{tabular}