Problem 3.7 Task time estimates for a production line setup project at Robert Klassen’s Ontario factory are as follows:
Activity Time In HRS Immediate Predecessor
A 6 -
B 7.2 -
C 5 A
D 6 B,C
E 4.5 B,C
F 7.7 D
G 4 E,F
a) Develop an AON network for this problem.
b) What is the critical path?
c) What is the total project completion time?
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