Question: Please answer A,B,C Using excel solver only. show constraints and variants C A D The critical path calculation shows B-D-E-F-H is the critical path. and

Please answer A,B,C Using excel solver only.

show constraints and variants

Please answer A,B,C Using excel solver only. show C A D The critical path calculation shows B-D-E-F-H is the critical path. and the expected project completion time is 21 weeks. After viewing this information, management requested overtime be used to complete the project in 16 weeks. Thus, crashing of the project is necessary. The following table provides information on activity crashing Time (weeks) Cost (S ) Activity Normal Crash Normal Crash 900 1700 W - 2000 4000 500 1800 2400 OWAUNA IT MOOD 1500 1850 3000 3900 8000 9800 W 1000 2000 a. Formulate a linear programming model that can be used to make the crashing deci- sions for this project. b. Solve the linear programming model and make the minimum cost crashing deci sions. What is the added cost of meeting the 16-week completion time? c. Develop a complete activity schedule based on the crashed activity times

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