Consider the following table below and answer the following questions.

1. Conduct both a forward and backward pass using AON notation. What is the estimated total duration for the project?

2. Identify all paths through the network. Which is the critical path?

3. Which activities have slack time?

4. Identify all burst activities and merge activities.

\begin{tabular}{|c|c|c|c|} \hline Activity & Description & Predecessors & Duration (Days) \\ \hline A & Site selection & None & 4 \\ \hline B & Buy concessions & A & 4 \\ \hline C & Rent facilities & A & 2 \\ \hline D & Build stands & A & 5 \\ \hline E & Generator \& wiring installation & C & 2 \\ \hline F & Security & B & 4 \\ \hline G & Lighting installation & E & 2 \\ \hline H & Sound system installation & E,F & 2 \\ \hline I & Stage construction & D & 3 \\ \hline J & Tear down & G,H,I & 4 \\ \hline \end{tabular}