Question: Activity Pred. Normal duration (day) Crash duration (day) Normal cost ($) Crash cost ($) A - 5 4 412 616 B - 6 4 223

Activity

Pred.

Normal duration (day)

Crash duration (day)

Normal cost ($)

Crash cost ($)

A

-

5

4

412

616

B

-

6

4

223

411

C

A

7

5

502

680

D

B

3

1

117

515

E

C,D

4

2

312

632

a) Draw the AOA diagram and find the project cost.

b) Find the optimal cost. Show the crash analysis on the network step by step. Overhead cost = 200 $/day. Discuss the results.

c) Draw the cost-duration graphic

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