Answered: Develop a project network. (b) Develop…

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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Question

Office Automation Inc., developed a proposal for implementing a software system that will standardize the accounts payable function by automatically issuing an electronic payment upon receipt of the vendor invoice. Contained in the proposal is a list of activities that must be accomplished to complete the project. The following table contains relevant information about the activities.

Activity	Description	Immediate Predecessor	Normal	Crash	Normal	Crash
			Time (weeks)	Cost ($1,000s)
A	Plan needs		10	8	30	70
B	Order equipment	A	8	6	120	150
C	Install equipment	B	10	7	100	160
D	Set up training lab	A	7	6	40	50
E	Conduct training course	D	10	8	50	75
F	Test system	C, E	3	3	60

(a). Develop a project network.

(b) Develop an activity schedule.

Activity	Earliest Start	Latest Start	Earliest Finish	Latest Finish	Slack
A
B
C
D
E
F

(c)

What are the critical activities? (Enter your answers as a comma-separated list.): __________

What is the expected project completion time (in weeks)? __________ weeks

(d)

Assume that the company wants to complete the project in six months or 26 weeks. What is the amount of crash time (in weeks) for each activity that minimizes cost? (A, B, C, D, E) = __________

(e)

Develop an activity schedule for the crashed project.