Question: The following information is given for a CPM network: Activity Predecessor Time Cost Time cost A None 5 60 3 120 B A 4 70

The following information is given for a CPM network:

Activity Predecessor Time Cost Time cost
A None 5 60 3 120
B A 4 70 0 0
C A 3 80 2 140
D B 6 40 4 60
E C 3 50 0 0
F D, E 3 60 2 100

a. 11

b. 15

c. 18

d. 21

e. None of the above.

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