If the indirect costs for each duration are $300 for 27 days, $240 for 26 days, $180 for 25 days, $120 for 24 days, $60 for 23 days, and $50 for 22 days, compute the direct, indirect, and total costs for each duration. What is the optimum cost-time schedule? The customer offers you $10 for every day you shorten the project from your original network. Would you take it? If so for how many days? Activity   Predecessor   Normal Duration Crash Duration Normal Cost of Activity Additional Cost/Day to Crash A   10 2 40 80 B   8 3 10 30 C   5 1 89 40 D A 11 2 50 50 E C 15 4 100 100 F B,D,E 6 1 20 30

Practical Management Science
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If the indirect costs for each duration are $300 for 27 days, $240 for 26 days, $180 for 25 days, $120 for 24 days, $60 for 23 days, and $50 for 22 days, compute the direct, indirect, and total costs for each duration. What is the optimum cost-time schedule? The customer offers you $10 for every day you shorten the project from your original network. Would you take it? If so for how many days?

Activity

 

Predecessor

 

Normal

Duration

Crash

Duration

Normal Cost

of Activity

Additional Cost/Day

to Crash

A

 

10

2

40

80

B

 

8

3

10

30

C

 

5

1

89

40

D

A

11

2

50

50

E

C

15

4

100

100

F

B,D,E

6

1

20

30

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