The following data were obtained from a project to build a pressure vessel:
Activity Duration Predecessors
A 4 weeks ---
B 4 weeks ---
C 3 weeks B
D 2 weeks A, C
E 3 weeks B
F 5 weeks D, E, G
G 2 weeks B
H 6 weeks F
I 3 weeks G
J 1 week I
Construct a network for the project.
(A.) Calculate the scheduled completion time and identify the critical path.
(B.) What is the slack time (float) for activities A, D, E, and G?