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What Is the Minimum Completion Cost of This Project If

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What is the minimum completion cost of this project if there is a penalty of $1,000 for each day the project lasts longer than 27 days? Activity durations in days and crash costs in dollars are given in the table.  Activity  Reg  Length  Crash  Reg  Cength  Cosash  Cost  Activity  Reg  Length  Crash  Reg  Crash  Cost  Cost  A 764001,200 L 758001,500 C 11450450N655001,250D965502,350 R 44600600J975001,650 S1084501,350\begin{array} { | l | l | l | l | l | l | l | l | l | l | } \hline \text { Activity } & \begin{array} { l } \text { Reg } \\\text { Length }\end{array} & \text { Crash } & \begin{array} { l } \text { Reg } \\\text { Cength }\end{array} & \begin{array} { l } \text { Cosash } \\\text { Cost }\end{array} & \text { Activity } & \begin{array} { l } \text { Reg } \\\text { Length }\end{array} & \text { Crash } & \text { Reg } & \begin{array} { l } \text { Crash } \\\text { Cost } \\\text { Cost }\end{array} \\\hline \text { A } & 7 & 6 & 400 & 1,200 & \text { L } & 7 & 5 & 800 & 1,500 \\\hline \text { C } & 1 & 1 & 450 & 450 & \mathbb { N } & 6 & 5 & 500 & 1,250 \\\hline \mathrm { D } & 9 & 6 & 550 & 2,350 & \text { R } & 4 & 4 & 600 & 600 \\\hline \mathrm { J } & 9 & 7 & 500 & 1,650 & \mathrm {~S} & 10 & 8 & 450 & 1,350 \\\hline\end{array} What is the minimum completion cost of this project if there is a penalty of $1,000 for each day the project lasts longer than 27 days? Activity durations in days and crash costs in dollars are given in the table. \begin{array} { | l | l | l | l | l | l | l | l | l | l | } \hline \text { Activity } & \begin{array} { l } \text { Reg } \\ \text { Length } \end{array} & \text { Crash } & \begin{array} { l } \text { Reg } \\ \text { Cength } \end{array} & \begin{array} { l } \text { Cosash } \\ \text { Cost } \end{array} & \text { Activity } & \begin{array} { l } \text { Reg } \\ \text { Length } \end{array} & \text { Crash } & \text { Reg } & \begin{array} { l } \text { Crash } \\ \text { Cost } \\ \text { Cost } \end{array} \\ \hline \text { A } & 7 & 6 & 400 & 1,200 & \text { L } & 7 & 5 & 800 & 1,500 \\ \hline \text { C } & 1 & 1 & 450 & 450 & \mathbb { N } & 6 & 5 & 500 & 1,250 \\ \hline \mathrm { D } & 9 & 6 & 550 & 2,350 & \text { R } & 4 & 4 & 600 & 600 \\ \hline \mathrm { J } & 9 & 7 & 500 & 1,650 & \mathrm {~S} & 10 & 8 & 450 & 1,350 \\ \hline \end{array}

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The initial project duration is 34 days....

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