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The following Table 1 contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. Table 1 Activity Predecessor Normal Time Crash Time Normal Cost Crash Cost (Weeks) (Weeks) A 10 7 2000 2600 B A 12 8 1500 2000 A 16 12 2200 3000 D B 8 7 2500 3000 E 13 10 1950 2275 F D 9. 8 800 1000 G E, F 24 29 3650 4000 H G 17 14 1200 1800 a) Determine the project cost and duration without crashing. b) Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration. c) Determine the least expensive project cost if the duration is to be 20% shorter than normal project duration.

The following Table 1 contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. Table 1 Activity Predecessor Normal Time Crash Time Normal Cost Crash Cost (Weeks) (Weeks) A 10 7 2000 2600 B A 12 8 1500 2000 A 16 12 2200 3000 D B 8 7 2500 3000 E 13 10 1950 2275 F D 9. 8 800 1000 G E, F 24 29 3650 4000 H G 17 14 1200 1800 a) Determine the project cost and duration without crashing. b) Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration. c) Determine the least expensive project cost if the duration is to be 20% shorter than normal project duration.

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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The following Table 1 contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. Table 1 Activity Predecessor Crash Time Normal Cost (Weeks) Normal Time Crash Cost (Weeks) $ A 10 7 2000 2600 A 12 1500 2000 C A 16 12 2200 300 D 8 7 2500 3000 E C 13 10 1950 2275 F D 9. 8 800 1000 G E, F 24 29 3650 4000 H G 17 14 1200 1800 a) Determine the project cost and duration without crashing. b) Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration. c) Determine the least expensive project cost if the duration is to be 20% shorter than normal project duration.
Transcribed Image Text:The following Table 1 contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. Table 1 Activity Predecessor Crash Time Normal Cost (Weeks) Normal Time Crash Cost (Weeks) $ A 10 7 2000 2600 A 12 1500 2000 C A 16 12 2200 300 D 8 7 2500 3000 E C 13 10 1950 2275 F D 9. 8 800 1000 G E, F 24 29 3650 4000 H G 17 14 1200 1800 a) Determine the project cost and duration without crashing. b) Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration. c) Determine the least expensive project cost if the duration is to be 20% shorter than normal project duration.
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