Please do it in excel and show the formula used as well.

\begin{tabular}{|c|c|} \hline Year & Cashflow \\ \hline 0 & $300,000,000 \\ \hline 1 & $63,000,000 \\ \hline 2 & $85,000,000 \\ \hline 3 & $50,000,000 \\ \hline 4 & $145,000,000 \\ \hline 5 & $175,000,000 \\ \hline 6 & $50,000,000 \\ \hline 7 & $70,000,000 \\ \hline 8 & $72,000,000 \\ \hline \end{tabular} - Construct a spreadsheet and calculate the following (the required rate of return is 12% ): Modified IRR - The discounting approach The reinvestment approach The combination approach