please show the working out of the excel formulas too and how you got the answer

(8) a) Use the adjusted present value (APV) method to calculate the enterprise value of the firm. \begin{tabular}{l} tax rate \\ constant growth rate for terminal cash flows \\ Rf \\ Risk Premium \\ beta \\ Wd \\ YEAR \\ \hline FCF \\ interest expense \\ \hline \end{tabular} (8) a) Use the adjusted present value (APV) method to calculate the enterprise value of the firm. \begin{tabular}{l} tax rate \\ constant growth rate for terminal cash flows \\ Rf \\ Risk Premium \\ beta \\ Wd \\ YEAR \\ \hline FCF \\ interest expense \\ \hline \end{tabular}