Given the following project network:

a-1. Identify the critical path.

multiple choice

A-B-D-F

A-C-E-F

A-C-D-F

a-2. Identify the earliest start and finish for each task. (Leave no cells blank - be certain to enter "0" wherever required.)

b. Calculate slack for every project activity. (Leave no cells blank - be certain to enter "0" wherever required.)

\begin{tabular}{|c|l|l|l|l|l|} \hline Task & ImmediatePredecessors & \multicolumn{2}{|c|}{ Earliest Start } & \multicolumn{2}{c|}{ Earliest Completion } \\ \hline A & None & & weeks & weeks \\ \hline B & A & & weeks & weeks \\ \hline C & A & & weeks & & weeks \\ \hline D & B, C & & weeks & & weeks \\ \hline E & C & & weeks & weeks \\ \hline F & D, E & & weeks & & weeks \\ \hline \end{tabular} \begin{tabular}{|c|l|l|l|l|} \hline Task & ImmediateSuccessors & LatestCompletion & Latest Start & Slack \\ \hline F & None & & & \\ \hline E & F & & & \\ \hline D & F & & & \\ \hline C & D, E & & & \\ \hline B & D & & & \\ \hline A & B, C & & & \\ \hline \end{tabular}