CPM (Critical Path Method)

Make the network diagram and answer the following questions:

1.What is the duration of the project?

2.What is the critical path?

3.What is the slack of each activity?

\begin{tabular}{|c|c|c|c|} \hline Activity & Description & Predecessor Activity & Duration (days) \\ \hline A & Organize sales office & & 6 \\ \hline B & Hire salesman & A & 4 \\ \hline C & Train salesman & B & 7 \\ \hline D & Select advertising agency & A & 2 \\ \hline E & Plan advertising campaign & D & 4 \\ \hline F & Conduct advertising campaign & E & 10 \\ \hline G & Design package & 2 \\ \hline H & Setup packaging campaign & G & 10 \\ \hline I & Package initial stocks & J,H & 6 \\ \hline J & Order stock from manufacturer & & 13 \\ \hline K & Select distributors & A & 9 \\ \hline L & Sell to distributors Ship stocks to distributors & C,K & 3 \\ \hline M & & & 5 \\ \hline \end{tabular}