6. Draw the project network for the project given in this table. Find the critical path, EST, EFT, LST, LFT for each activity in this project network. What is the earliest finish time of this project? Calculate the total slack (total float) and free slack (free float) for each activity. \begin{tabular}{ccc} \hline Project & Duration & Predecessors \\ \hline A & 3 & - \\ B & 3 & A \\ C & 4 & A \\ D & 3 & A \\ E & 3 & D \\ F & 4 & B \\ G & 5 & B \\ H & 6 & G, I \\ I & 5 & C, E, F \\ J & 4 & C, E, F \\ K & 2 & D \\ L & 6 & H, J, K \\ \hline \end{tabular}