a. Construct the network diagram.

b. Find each activitys ES, EF, LS, and LF.

c. Identify all paths. Which path is the critical path?

d. How long will it take to complete the project?

\begin{tabular}{|c|c|c|} \hline Activity & Duration & Predecessors \\ \hline a & 2 & None \\ \hline b & 3 & None \\ \hline c & 2 & a \\ \hline d & 4 & a, b \\ \hline e & 4 & c \\ \hline f & 3 & c \\ \hline g & 5 & d, e \\ \hline h & 2 & f, g \\ \hline \end{tabular}