Determine the Amount of Slack in Each of a Project's

Essay

Determine the amount of slack in each of a project's activities (presented below), and identify those that are on the critical path. $$\begin{array} { l l l } \text { Activity } & \text { Precedes } & \text { Est. Duration (wks) } \\\hline \text { Start } & \text { a, e } & 0 \\\text { a } & \text { c, d } & 4 \\\text { e } & \text { f } & 9 \\\text { f } & \text { g } & 5 \\\text { d } & \text { g } & 2 \\\text { c } & \text { end } & 6 \\\text { g } & \text { end } & 3\end{array}$$