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GSCM 530 DeVry Week 5 Homework Assignment
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4. Answer the following questions for the following network. Times shown are in days.
a. What is the length of the critical path?
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b. What are the earliest start and latest start for E?
c. What is the latest start for B?
d. If all other tasks are completed in their expected durations, will the project length be affected if task B actually takes five days instead of the expected three?
6. Consider the following information about a small project:
a. Draw a network diagram.
b. Identify the critical path, earliest start and finish, and slack for each task.
c. Which of these activities should the project manager track most closely?
d. What would happen if a new estimate for task D increases its expected duration from two days to six days? Would the project take longer? Would anything else change?
4. Annie is planning a large surprise party for her sister Gwendolyn. She has developed the plan below, including estimates of the time (in hours) and cost necessary to perform each of the activities required at the currently planned pace and at the crashed pace.
a. Annie is most interested in reducing the time associated with creating the guest list. What is the crash cost per hour for that activity?
b. Annie will save $40 for every hour she can reduce from her plan. Annie has decided to crash her project and use the money she saves to purchase a larger gift for Gwendolyn. Which activity should she crash first?
c. Annie has now crashed activity A by four hours at a cost of $110. What other activity could she crash to further reduce the project?
d. Annie has now crashed activity A by four hours at a cost of $110 and activity E by two hours at a cost of $75. What other activity could she crash to further reduce the project?
e. How much money did Annie save by crashing the project?
f. What is the duration of the fully crashed project?