Task time estimates for a production line setup project at Robert Klassens Ontario factory are as follows:
Activity Time (in hours) Immediate Predecessors
A 6.0 B 7.2 C 5.0 A D 6.0 B, C E 4.5 B, C F 7.7 D G 4.0 E, F
a) Draw the project network using AON.
b) Identify the critical path.
c) What is the expected project length?