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Determine the Critical Path first - then crash until in All-Crash Mode using this information: Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A - 12 $200 9 $350     B A 8 $300 8 $300     C A 9 $250 7 $450     D B 6 $400 5 $600     E B,C 5 $150 4 $225     F C 10 $500 9 $650     G D,E,F 8 $400 6 $900       What to do: Duration Activities Crashed Incremental Crash Cost Cumulative Crash Cost                                                                         How many days saved? New total project cost?

Determine the Critical Path first - then crash until in All-Crash Mode using this information: Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A - 12 $200 9 $350     B A 8 $300 8 $300     C A 9 $250 7 $450     D B 6 $400 5 $600     E B,C 5 $150 4 $225     F C 10 $500 9 $650     G D,E,F 8 $400 6 $900       What to do: Duration Activities Crashed Incremental Crash Cost Cumulative Crash Cost                                                                         How many days saved? New total project cost?

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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  1. Determine the Critical Path first - then crash until in All-Crash Mode using this information:

    Activity

    Predecessor

    Normal time

    Normal cost

    Crash time

    Crash cost

    Max Crash Time

    Slope

    A

    -

    12

    $200

    9

    $350

    		    

    B

    A

    8

    $300

    8

    $300

    		    

    C

    A

    9

    $250

    7

    $450

    		    

    D

    B

    6

    $400

    5

    $600

    		    

    E

    B,C

    5

    $150

    4

    $225

    		    

    F

    C

    10

    $500

    9

    $650

    		    

    G

    D,E,F

    8

    $400

    6

    $900

    		    

     

    What to do:

    Duration

    Activities Crashed

    Incremental Crash Cost

    Cumulative Crash Cost
           
           
           
           
           
           
           
           
           

    How many days saved? New total project cost?

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