Question: Q5. (30 p.) Based on the data provided, is it possible to finish this project in 27 hours? Specify which activities should be crashed, by

Q5. (30 p.) Based on the data provided, is it possible to finish this project in 27 hours? Specify which activities should be crashed, by how much, at what cost, and in what sequence, while trying to minimize the total cost of crashing. What is the total cost of such crashing? Fully explain your analysis.

Q6. (20 p.) Can you determine the absolute shortest time to finish this project (i.e., after having performed a maximum crashing possible)? What is the total cost of such crashing? Fully explain your analysis.

Activity

Normal

Duration (hours)

Normal

Cost ($)

Crash

Duration (hours)

Crash

Cost (S)

Immediate

Predecessors

A

5

10

3

20

None

B

3

15

2

23

A

C

6

25

3

31

B

D

3

20

1

24

C

E

7

30

4

45

C

F

2

5

1

10

C,E

G

8

35

6

50

F

H

10

50

7

80

D,G

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