per week: \begin{tabular}{cccc} \hline Activity & Duration (weeks) & Precedes & Crash Cost/Week \\ \hline A (start) & 3 & B, C & $380 \\ B & 2 & E & $120 \\ C & 5 & F & $200 \\ E & 2 & F & $140 \\ F (end) & 3 & - & $400 \\ \hline \end{tabular} activity down to 0 weeks duration. \begin{tabular}{|c|c|} \hline Activity & \begin{tabular}{c} Each Activity \\ Should be Reduced \\ BY \\ (weeks) \end{tabular} \\ \hline A & week(s) \\ \hline \end{tabular}