You have the following data for a certain construction project: - Draw (PDM) network; - Calculate activity times; - Find project duration; - Locate critical path; - Find total float of each activity; - Find free float of each activity; \begin{tabular}{|l|l|l|l|l|l|l|l|} \hline Activity & D & ES & LS & EF & LF & TT & FF \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline \end{tabular}