Given the table below (MARR = 10%), find the simple payback period (SPP) and the discounted payback period (DPP).

\begin{tabular}{|c|c|c|c|c|} \hline EOY & \begin{tabular}{c} Net Cash \\ Flow \end{tabular} & \begin{tabular}{c} Cum PW \\ (i=0%) \end{tabular} & \begin{tabular}{c} PW Cash Flow (i \\ =10%) \end{tabular} & \begin{tabular}{c} Cum PW \\ (i=10%) \end{tabular} \\ \hline 0 & -55 & -55 & -55 & -55 \\ \hline 1 & 10 & -45 & 9 & -46 \\ \hline 2 & -50 & -95 & -38 & -84 \\ \hline 3 & 25 & -70 & 16 & -68 \\ \hline 4 & 35 & -35 & 20 & -48 \\ \hline 5 & 45 & 10 & 22 & -25 \\ \hline 6 & 55 & 65 & 24 & -2 \\ \hline 7 & 65 & 130 & 24 & 23 \\ \hline 8 & 75 & 205 & 25 & 47 \\ \hline \end{tabular}