A project is represented by the following diagram:
Picture
The expected duration of this project is:
A. 36.
B. 12.
C. 17.
D. 77.
E. 20.
The critical path for the network shown is:
A. b-e-h-i.
B. a-d-f-g.
C. a-d-h-i.
D. a-c-g.
E. b-e-f-g.