A certain manufacturer of apparel wants to complete a project in 47 days. The project has six activities. Relevant information are given in the table and figure below. Crash the project to finish it within 47 days. Report the crash cost. \begin{tabular}{|c|c|c|c|c|c|c|} \hline \multirow{2}{*}{ Activity } & \multicolumn{2}{|c|}{ Time (days) } & \multicolumn{2}{|c|}{ Cost } & \multirow{2}{*}{\begin{tabular}{c} Maximum \\ Reduction in \\ Time \end{tabular}} & \multirow{2}{*}{\begin{tabular}{c} Crash \\ Cost per \\ day saved \end{tabular}} \\ \hline & Normal & Crash & Normal & Crash & & \\ \hline A & 12 & 9 & $210,000 & $270,000 & 3 & $20,000 \\ \hline B & 23 & 18 & $410,000 & $460,000 & 5 & $10,000 \\ \hline C & 15 & 12 & $290,000 & $320,000 & 3 & $10,000 \\ \hline D & 27 & 21 & $440,000 & $500,000 & 6 & $10,000 \\ \hline E & 18 & 14 & $350,000 & $410,000 & 4 & $15,000 \\ \hline F & 6 & 4 & $160,000 & $210,000 & 2 & $25,000 \\ \hline \end{tabular}