Write the equation you would use in Excel to find the present value of the following expected after-tax cash flows that will be generated over the next 75 months (the required return is 6% / year):

\begin{tabular}{|c|c|c|c|c|c|c|c|} \hline & A & B & C & D & E & F & G \\ \hline 1 & Time 0 & 15 months & 27 months & 39 months & 51 months & 63 months & 75months \\ \hline 2 & & $300m & $60m & $80m & $85m & $90m & $60m \\ \hline \end{tabular}