The critical path for this network is A - E - F and the project completion time is 22 weeks.
$The critical path for this network is A - E - F and the project completion time is 22 weeks. \begin{array} { c c c r r } \text { Activity } & \begin{array} { c } \text { Normal } \\ \text { Time } \end{array} & \begin{array} { c } \text { Crash } \\ \text { Time } \end{array} & \begin{array} { c } \text { Normal } \\ \text { Cost } \end{array} & \multicolumn{1}{c} { \begin{array} { c } \text { Crash } \\ \text { Cost } \end{array} } \\ \hline \text { A } & 12 & 8 & 8,000 & 12,000 \\ \text { B } & 14 & 10 & 5,000 & 7,500 \\ \text { C } & 8 & 8 & 10,000 & 10,000 \\ \text { D } & 5 & 3 & 6,000 & 8,000 \\ \text { E } & 4 & 3 & 5,000 & 7,000 \\ \text { F } & 6 & 5 & 9,000 & 12,000 \\ \text { G } & 10 & 8 & 5,000 & 8,000 \end{array} If a deadline of 17 weeks is imposed,give the linear programming model for the crashing decision.$

\begin{array} { c c c r r } \text { Activity } & \begin{array} { c } \text { Normal } \\\text { Time }\end{array} & \begin{array} { c } \text { Crash } \\\text { Time }\end{array} & \begin{array} { c } \text { Normal } \\\text { Cost }\end{array} & \multicolumn{1}{c} { \begin{array} { c } \text { Crash } \\\text { Cost }\end{array} } \\\hline \text { A } & 12 & 8 & 8,000 & 12,000 \\\text { B } & 14 & 10 & 5,000 & 7,500 \\\text { C } & 8 & 8 & 10,000 & 10,000 \\\text { D } & 5 & 3 & 6,000 & 8,000 \\\text { E } & 4 & 3 & 5,000 & 7,000 \\\text { F } & 6 & 5 & 9,000 & 12,000 \\\text { G } & 10 & 8 & 5,000 & 8,000\end{array}

If a deadline of 17 weeks is imposed,give the linear programming model for the crashing decision.

In CPM,for Activities with More Than One Immediate Predecessor Activity,which

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