Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
12th Edition
ISBN: 9780134741062
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Question
Chapter 15, Problem 3P
A
Summary Introduction
Interpretation: The total driving time for this route is to be calculated if the service starts from A to F to G to D to E to H to B to c, and returns to A.
Concept Introduction: The Company delivers chemical compounds to its 7 industrial customers, in the region.
B
Summary Introduction
Interpretation: Based on the NNH approach, the best possible route, starting from A should be determined. And the total time taken for this route should also be calculated.
Concept Introduction: The Company delivers chemical compounds to its 7 industrial customers, in the region.
C
Summary Introduction
Interpretation: Based on the NNH approach, 7 routes are to be concluded ad derived, starting from each of the customer locations.
Concept Introduction: The Company delivers chemical compounds to its 7 industrial customers, in the region.
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Tsaltz Inc. of Hamilton, Ontario, is a distributor of starwars themed dog tags to pet store retailers. Its market area spans most of Ontario. The dog tags are made in Calgary, Alberta, and currently shipped to Ontario via motor carrier transportation. Easton, Director of Logistics, has asked his staff to evaluate using Rail car carrier service to ship the dog tags. He obtained the following data for you to make your recommendation which carrier is best for the company.
Data:
R= Annual rate of demand 5000 cases
V= Value of cost of 1 unit of inventory $ 48.00 per case
W= Carrying cost per dollar value of inventory per year 15% inventory carrying cost
A= Cost of placing an order $ 37.50 cost per order
In-transit inventory carry cost 9%
Transit time using motor carrier (parcel ground) 2 days
Transit time using Rail car carrier 1 days
Motor carrier rate $ 0.66 per cwt (100 lbs)
Rail car carrier rate $1.25 per cwt (100 lbs)
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EOQ units 228.00 units
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On Thursdays, Traxis Consolidated delivers liquid oxygento its industrial customers in northern Michigan. The tablebelow provides the driving time in minutes among allcustomers and the Traxis liquid oxygen depot location.
a. Currently, Traxis travels from the depot (A) to (F) to (G) to(D) to (E) to (H) to (B) to (C), then returns to (A). What isthe total driving time using this route?b. Using the depot (A) as the beginning location, create aroute using the NN heuristic. What is the total driving timeusing this route?c. Use the NN heuristic to calculate seven routes, each start-ing from one of Traxis’s customer’s locations. What areyour conclusions?
Chapter 15 Solutions
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
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