Complete the ES, EF, LS, LF Chart and Be Prepared

Essay

Complete the ES, EF, LS, LF chart and be prepared to answer questions below.
Find the slack on all events
$\begin{array}{|c|c|c|c|c|c|c|c|}\hline \text { Activity } & \text { Duratlon } & \text { Predecessor } & \text { ES } & \text { EF } & \text { LS } & \text { LF } & \text { Slack } \\\hline \text { A } & 2 & & 0 & 2 & & & \\\hline \text { B } & 4 & & 0 & 4 & & & \\\hline \text { C } & 1 & \text { A } & 2 & 3 & & & \\\hline \text { D } & 1 & \mathrm{~B} & 4 & 5 & & & \\\hline \text { E } & 7 & \mathrm{~B} & 4 & & & & \\\hline \text { F } & 3 & \mathrm{C}, \mathrm{D} & & & & & \\\hline \text { G } & 5 & \mathrm{E}, \mathrm{F} & & & & & \\\hline\end{array}$ a. Give EF of Activity F
b. Give ES of Activity G
c. Give LS of Activity F
d. Give LF of Activity B
e. Give slack for Activity D
f. Give length of critical path