2. Draw the network diagram for the following problem and indicate a sequence of plans that the company should want to consider in making a time-cost tradeoff. The company is not interested in reducing the project duration below 29 days. Start with the plan that has the longest duration.
Activity
Preceding Activity
Time(days)
Regular Crash
Program Program
Cost ($)
Regular Crash
Program Program
A
-
10 9
5,000 5,200
B
-
14 11
3,500 3,950
C
A
8 7
4,000 4,100
D
A
7 2
2,100 3,600
E
B
5 3
2,500 3,000
F
B
10 7
2,250 3,750
G
C
9 9
5,000 5,000
H
D, E
11 9
3,850 5,250
I
G, H
5 3
2,375 3,575