A small plant layout job consists of 10 steps. Their precedence relationships and activity times are identified as follows:
Step
|
A
|
B
|
C
|
D
|
E
|
F
|
G
|
H
|
I
|
J
|
Predecessor
|
-
|
-
|
-
|
A
|
B
|
B
|
C,F
|
D,G
|
E,H
|
C,F
|
Time (Hours)
|
9
|
13
|
16
|
18
|
19
|
8
|
11
|
9
|
26
|
35
|
Draw the network and complete the forward and backward passes. What activities make up the critical path? Which activity has the most slack?