Below Are the Data for a Time-Cost CPM Scheduling Model

Below are the data for a Time-Cost CPM Scheduling model analysis.The time is in days and the costs include both direct and indirect costs. $$\begin{array} { | l | l | l | l | l | l | } \hline & \text { Immediate } & \text { Normal } & \text { Crash } & \text { Normal } & \text { Crash } \\\hline \text { Activity } & \text { Predecessor } & \text { Time } & \text { Time } & \text { Cost } & \text { Cost } \\\hline \text { A } & \text { None } & 3 & 2 & \$ 200 & \$ 400 \\\hline \text { B } & \text { A } & 4 & 3 & \$ 300 & \$ 600 \\\hline \text { C } & \text { A } & 1 & 1 & \$ 300 & \$ 300 \\\hline \text { D } & \text { B and C } & 3 & 2 & \$ 500 & \$ 550 \\\hline \text { E } & \text { D } & 2 & 1 & \$ 500 & \$ 900 \\\hline\end{array}$$
If you crash this project to reduce the total time by one day what is the total time of the project and total cost?

A) Total time is 13 days,total cost is $1500
B) Total time is 12 days,total cost is $2000
C) Total time is 12 days,total cost is $2300
D) Total time is 11 days,total cost is $1850
E) Total time is 11 days, total cost is $2350

Correct Answer:

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