Question: Consider the following table. Activity Predecessor Normal Time (days) Crash Time (days) Normal Cost in $ Crash Cost in $ A 9 8 400 500

Consider the following table.

Activity

Predecessor

Normal Time (days)

Crash Time (days)

Normal Cost in $

Crash Cost in $

A

9

8

400

500

B

A

5

1

300

500

C

A

11

5

600

1000

D

B, C

14

11

300

500

  1. What is the activity with the smallest crash cost per period?
  2. Which activity should be cut first to reduce the project duration by 1 day? How much is added to the project cost?
  3. Which activity should be the next to be crashed to cut a second day from the project duration?
  4. How much is added to the project cost with two days crashed?
  5. What is the maximum time that can be crashed? How much additional cost is needed?

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