CPM: Network diagram
I want 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