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a. Find the critical path and the normal project length. b. Find the project length and project cost if all activities are crashed to their minimum completion times. c. Which activities would you crash? What would be the total cost when crashing only these activities (rather than all of them, as above)?

a. Find the critical path and the normal project length. b. Find the project length and project cost if all activities are crashed to their minimum completion times. c. Which activities would you crash? What would be the total cost when crashing only these activities (rather than all of them, as above)?

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Problem 2 A network with the activity times (in days) and other relevant data is shown below. A(4) B(2) C(4) D(3) E(5) F(6) G(2) I(5) H(3) J(7)
Transcribed Image Text:Problem 2 A network with the activity times (in days) and other relevant data is shown below. A(4) B(2) C(4) D(3) E(5) F(6) G(2) I(5) H(3) J(7)
Activity A B C D E F G H I J Normal Time 4 2 4 3 5 6 2 3 5 Time (days) 7 Crash Time 4 1 2 2 4 3 1 2 2 7 Normal cost $5,000 $4,000 $9,000 $5,000 $9,000 $7,000 $2,000 $6,000 $10,000 $8,000 Cost increment/ day crashed $1,000 $500 $700 $1,000 $700 $1,000 $1,000 $800 a. Find the critical path and the normal project length. b. Find the project length and project cost if all activities are crashed to their minimum completion times. c. Which activities would you crash? What would be the total cost when crashing only these activities (rather than all of them, as above)?
Transcribed Image Text:Activity A B C D E F G H I J Normal Time 4 2 4 3 5 6 2 3 5 Time (days) 7 Crash Time 4 1 2 2 4 3 1 2 2 7 Normal cost $5,000 $4,000 $9,000 $5,000 $9,000 $7,000 $2,000 $6,000 $10,000 $8,000 Cost increment/ day crashed $1,000 $500 $700 $1,000 $700 $1,000 $1,000 $800 a. Find the critical path and the normal project length. b. Find the project length and project cost if all activities are crashed to their minimum completion times. c. Which activities would you crash? What would be the total cost when crashing only these activities (rather than all of them, as above)?
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