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# home 7sol(3,25) - Purdue University Leyla Ozsen IE 383...

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Purdue University IE 383 Leyla Ozsen Spring 2008 Assignment #7 Due at the beginning of class on Thursday, March 6 th Readings: Chapter 7 of the textbook by Nahmias. Homework Policy: 1. You are allowed to work on your homework in groups, but that work should involve an exchange of ideas on how to solve the problems, rather than completing the final write-up that you will be submitting. 2. Always write up your homework solutions alone- that means without another person or another person’s paper. In the case of a computer assignment, do not have another team’s computer files with you when you are creating your own. 3. If you got any help with a particular problem from someone, then cite that person in your write- up. For example, “I thank Valerie Tardif for helping me solve this problem.’” If you worked with other(s), then each of you should cite the other(s). 4. To get full credit for the problems , r efer to the rules also described in the syllabus and introduction slides 5. Each question and sub-question must be clearly indicated. Order of solutions must be same as the question order. Problem 1. [Fig. Product tree for VCR 1100]

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Purdue University IE 383 Leyla Ozsen Spring 2008 Demand of VCR 1100 Week 1 2 3 4 5 6 7 8 9 10 11 12 Demand 30 30 30 30 60 78 110 20 44 65 60 90 Beginning Inventory and scheduled receipt Beginning inv Sch Rcpt VCR 35 - Enclosure 60 - Electronic Sys 55 20 at week 1, 15 at week 2 Drum Sys 20 40 at week 1 Part B 100 100 at week 1 Part C 50 100 at week 2 Part A 50 20 at week 1, 20 at week 2 Part A1 100 500 week 1, 100 at week 2 1) What is the product lead time ? Find the longest path Part A1 (2week) barb2right Part A (1week ) barb2right Electronic system (2week ) barb2right VCR (1week ) or Part A1 (2week) barb2right Part A (1week ) barb2right Drum system barb2right VCR (1week ) 2) Write the GR for Part A in terms of the PORs of the other components.
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