Consider the following two mutually exclusive projects: Determine the discounted payback period for Project A, considering a 15% rate of return (round to two decimal places):

\begin{tabular}{|r|r|r|} \multicolumn{2}{c|}{} & \multicolumn{2}{c|}{ Flujo de efectivo } \\ \cline { 2 - 3 } Ao & \multicolumn{1}{|c|}{ A } & \multicolumn{1}{c|}{ B } \\ \hline 0 & 210,000 & 21,000 \\ \hline 1 & 15,000 & 11,000 \\ \hline 2 & 30,000 & 9,000 \\ \hline 3 & 30,000 & 11,000 \\ \hline 4 & 370,000 & 9,000 \\ \hline \end{tabular}