A project network comprises five activities as shown below The activity...

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A project network comprises five activities as shown below. The activity durations. in days. are as indicated. Crashing of any activity costs Rs. 1000 per day. If the project is crashed to the shortest possible duration without changing the critical path the total crashing coso in Rs. is

A. 5000

B. 4000

C. 3000

D. 2000

Answer: Option B

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