Direct Cost
Normal
Crash
Time
Cost
Time
Cost
3
150
3
150
4
200
3
300
3
250
2
310
4
200
3
240
2
250
2
250
3
200
1
260
2
250
1
270
4
300
2
420
2
200
1
400
h cost
direct cost
Indirect cost
Total cost
-
2000
1500
3500
40
2040
1450
3490
60
2100
1400
3500
60
2160
1350
3510
00
2260
1300
3560
00
2460
1250
3710
Paths/It
ABF
ABD
ACD
ACE