The table below contains information about an environmental clean-up project in the township of Hiles. Shorten the project three weeks by finding the minimum-cost schedule. Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs. Normal Time Crash Time Activity (weeks) (weeks) Cost to Crash ($ per week) Immediate Predecessor(s) A 5 4 200 B 9 8 300 None None C 4 2 200 A 4 2 250 A E 3 3 B F 3 3 C, D G 3 1 150 D, E 6 4 350 F G 7 4 Fill in the table below with the activity times after crashing to show the resulting schedule. (Enter your responses as whole numbers.) Activity A Time according to schedule (weeks) Activity Time according to schedule (weeks) F G B C D E

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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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 table below contains information about an environmental clean-up project in the township of Hiles. Shorten the project three weeks by finding the minimum-cost schedule.
Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs.
Normal Time
Crash Time
Activity
(weeks)
(weeks)
Cost to Crash
($ per week)
Immediate Predecessor(s)
A
5
4
200
B
9
8
300
None
None
C
4
2
200
A
4
2
250
A
E
3
3
B
F
3
3
C, D
G
3
1
150
D, E
6
4
350
F
G
7
4
Fill in the table below with the activity times after crashing to show the resulting schedule. (Enter your responses as whole numbers.)
Activity
A
Time according to
schedule (weeks)
Activity
Time according to
schedule (weeks)
F
G
B
C
D
E
Transcribed Image Text:The table below contains information about an environmental clean-up project in the township of Hiles. Shorten the project three weeks by finding the minimum-cost schedule. Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs. Normal Time Crash Time Activity (weeks) (weeks) Cost to Crash ($ per week) Immediate Predecessor(s) A 5 4 200 B 9 8 300 None None C 4 2 200 A 4 2 250 A E 3 3 B F 3 3 C, D G 3 1 150 D, E 6 4 350 F G 7 4 Fill in the table below with the activity times after crashing to show the resulting schedule. (Enter your responses as whole numbers.) Activity A Time according to schedule (weeks) Activity Time according to schedule (weeks) F G B C D E
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