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banoshaher banoshaher
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6 years ago
What is the minimum cost completion time for this project if the activities have normal and crash costs as indicated and there is a 1,000 fixed cost for each day on site plus a 500 penalty for each activity that is crashed? The crash costs
 
  represent the cost of a fully expedited activity. For example, reducing activity Y from 13 days to 12 days costs an extra 100 on top of the 500 expediting cost for a total cost of 2,600. Reducing Y from 13 days to 10 days costs an extra 300 on top of the 500 expediting cost, for a total activity cost of 2,800.
 
  Activity Predecessor Normal Time Normal Cost Crash Time Crash Cost
  Z 2 2,000 2 2,000
  Y 13 2,000 10 2,300
  X 19 2,000 15 3,000
  W Z 18 2,000 15 3,000
  V X 10 2,000 9 3,000
  U Y 13 2,000 11 3,000
  T W 18 2,000 14 4,000
  S V 4 2,000 3 3,000
  R U 6 2,000 5 3,000
  Q R, S 15 2,000 13 3,000
  P T 13 2,000 12 3,000
  N P, Q 4 2,000 4 2,000
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schoolboy4367schoolboy4367
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banoshaher Author
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6 years ago
Helped a lot
jamiebonf99
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Yesterday
this is exactly what I needed
acaruso
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2 hours ago
This helped my grade so much Perfect
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