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CPM: Network diagram

I need help with the following problem:

The following data have been collected for a certain project

Activity Normal Crash
Predecessor Successor Time Cost Time Cost
Event Event (days) ($) (days) ($)

1 2 6 250 5 360
2 3 2 300 1 480
2 4 1 100 1 100
2 5 7 270 6 470
3 4 2 120 1 200
4 5 5 200 1 440

a. Draw the network

Solution Summary

Drawing a network diagram for given set of activities.

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