A network consists of the following list. Times are given in weeks.
Activity Preceding Duration
A -- 9
B A 2
C A 12
D A 5
E B 6
F B 8
G C, F 3
H D 2
I H 8
J G, I 6
K E, J 2
a. Draw the network diagram.
b. Which activities form the critical path?
c. How much slack exists at activities A and F?
d. What is the duration of the critical path?