Q. A project involving installation of a computer system comprises eight activities.
Subsequent table lists immediate predecessors also activity times (in weeks).
Activity Immediate Predecessor Time
A - 3
B - 6
C A 2
D B,C 5
E D 4
F E 3
G B,C 9
H F,G 3
Draw a Project Network
Illustrate what are critical activities?
Illustrate what is expected project completion time?