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Construct an AON project network for the following set of activities.

Can you find the critical path?

(options)

2->5->8

1->4->8

1->3->7

1->3->6->8

\begin{tabular}{ccc} \hline Activity & Activity Predecessor & Time (months) \\ \hline 1 & & 4 \\ 2 & & 7 \\ 3 & 1 & 8 \\ 4 & 1 & 3 \\ 5 & 2 & 9 \\ 6 & 3 & 5 \\ 7 & 3 & 2 \\ 8 & 4,5,6 & 6 \\ 9 & 2 & 5 \\ \hline \end{tabular}