\begin{tabular}{|CC|CC|} \hline Activity & Duration & Depends on & Resource Type \hline A & 2 days & SA \hline B & 10 days & A & SD \hline C & 2 days & A & SD \hline D & 2 days & C & SC \hline E & 3 days & C & SC \hline F & 2 days & C & SC \hline G & 4 days & B.D.E.F & SA \hline SA $=\$ y$ stem analyst $S D=$ system designer: $S$ C $=$ system coder & \hline \end{tabular) a. (10 pts) Draw up an activity network for the activities above, and identify the critical path (PERT). b. 10 pts Draw up a resource table showing the number of each type of resource needed on each day of the project. c. $(10 \mathrm{pts})$ Generate resource histogram for both $\mathrm{SA} $ and $\mathrm{SC}$. SE. SD. 020