PROJECT CRASHING PROBLEM (continued): What is the normal duration of the project?What is the total crashing cost to crash the project by 4 days?What is the critical path?What is the exact sequence of activities to crash, to reduce the project by 4 days?
|
Activity
|
Immediate Predecessor
|
Normal Time
(days)
|
Crash Time
(days)
|
Normal Cost
($)
|
Crash Cost
($)
|
|
A
|
-
|
5
|
4
|
1000
|
1400
|
|
B
|
-
|
3
|
3
|
800
|
-
|
|
C
|
A,B
|
3
|
1
|
600
|
900
|
|
D
|
B
|
4
|
2
|
1600
|
2000
|
|
E
|
C,D
|
5
|
3
|
800
|
1200
|
|
F
|
E
|
2
|
1
|
1300
|
1400
|