have to be undertaken before construction can begin. \begin{tabular}{|c|c|c|c|} \hline Activity & Description & \begin{tabular}{c} Immediate \\ Predecessor \end{tabular} & \begin{tabular}{c} Time \\ (weeks) \end{tabular} \\ \hline A & Survey building site & & 7 \\ \hline B & Develop initial design & & 9 \\ \hline C & Obtain board approval & A, B & 13 \\ \hline D & Select architect & C & 4 \\ \hline E & Establish budget & C & 7 \\ \hline F & Finalize design & D, E & 15 \\ \hline G & Obtain financing & E & 13 \\ \hline H & Hire contractor & F, G & 9 \\ \hline \end{tabular} (b) Identify the critical path. (Enter your answers as a comma-separated list.) (c) Develop the activity schedule for the project. The expected completion time is | weeks, which is than 1 year