Question: Question e) and f) Consider the following project network. Activity Predecessor Normal Time (Day) 10 8 14 4 6 16 10 12 Crash Time (Day)

Question e) and f)

Question e) and f) Consider the following project

Consider the following project network. Activity Predecessor Normal Time (Day) 10 8 14 4 6 16 10 12 Crash Time (Day) 6 4 12 2 B A, C Normal Cost ($) 100 80 140 40 60 160 100 120 Crash Cost ($) 300 400 320 100 A B D E F G H A, C B D E, F 10 8 6 580 200 360 (a) Crashing is a technique used for the purpose of shortening the scheduled duration of a project. Explain the meaning of crash time and crash cost of an activity. Describe the assumptions in crashing an activity. (b) Draw the network and find the critical path, project time, and project cost for an all-normal level of project activity. (c) Calculate the cost slope for each activity. (d) Find the optimal way of getting a 36-day project completion time. What is the project cost? (e) Find the optimal way of getting a 32-day project completion time. What is the project cost? Calculate the shortest completion time for the project. What is the cost

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