Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
12th Edition
ISBN: 9780134855424
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter 6, Problem 9P
Summary Introduction
Interpretation: The number of containers that should be authorized for the months of January and February is to be calculated.
Concept Introduction: Kanban system is a concept which is implemented under the Lean concepts and just in time management system.
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The production schedule at Mazda calls for 1,250 Mazdas to be produced during each of 22 production days in January and 1,050 Mazdas to be produced
during each of 20 production days in February. Mazda uses a kanban system to communicate with Gesundheit, a nearby supplier of tires. Mazda purchases
four tires per vehicle from the Gesundheit. The safety stock policy variable, a, is 0.08. The container (a delivery truck) size is 250 tires. The average waiting
time plus material handling time is 0.50 day per container. Assembly lines are rebalanced at the beginning of each month. The average processing per
container in January is 0.50 day. February processing time will average 0.10 day per container.
How many containers should be authorized for January?
containers. (Enter your response rounded up to the next whole number.)
A company begins a review of ordering policies for its continuous review system by checking the current policies for a sample of SKUS Following are the characteristics of one tem
Demand (D)=85 units/week (Assume 52 weeks per year)
Ordening and setup cost (S) $75/order
Holding cost (H)-$16/und/year
Lead time (L) 5 week(s)
Standard deviation of weekly demand 22 units
Cycle-service lovel-90 percent
>EOQ-207 units
Using the above information, develop the best policies for a periodic review system Refer to the standard normal table for z-values
a. What value of P gives the same approximate number of orders per year as the EOQ? weeks (Enter your response rounded to the nearest whole number)
b. To provide a 98 percent cycle-service level, the average safety stock is
To provide a 98 percent cycle-service level, the target inventory level is
unts (Enter your response rounded to the nearest whole number)
units (Enter your response rounded to the nearest whole number)
Based on available information, lead time demand for PC jump drives
averages 48 units (normally distributed), with a standard deviation of 5
drives. Management wants a 98% service level. Refer to the
standard normal table for z-values.
a) What value of Z should be applied? 2.06
b) How many drives should be carried as safety stock?
your response to the nearest whole number).
units (round
Chapter 6 Solutions
Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
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