Operations and Supply Chain Management 9th edition
9th Edition
ISBN: 9781119320975
Author: Roberta S. Russell, Bernard W. Taylor III
Publisher: WILEY
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Chapter 13, Problem 7P
The EastCoasters Bicycle Shop operates 364 days a year, closing only on Christmas Day. The shop pays $300 for a particular bicycle purchased from the manufacturer. The annual holding cost per bicycle is estimated to be 25% of the dollar value of inventory. The shop sells an average of 18 bikes per week. The ordering cost for each order is $250. Determine the optimal order quantity and the total minimum cost.
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Kabel Market store sells electric cable. The demand for cable is normally distributed. The inventory related information at Kabel Market is as follows:
Average Annual Demand = 16,900 meters
Standard deviation of weekly demand = 28 meters
Cable selling price = AMD 640.00 per meter
Ordering cost = AMD 1,250.00 per order
Lead time = 5 weeks
Annual inventory-holding cost estimate = 2.5% of the cable selling price
Required service level = 95%
Kabel Market works 52 weeks a year.
Note: The approximate z values are: for 0.9 ≈ 1.28, for 0.92 ≈ 1.405, for 0.95 ≈ 1.645, for 0.98 ≈ 2.05.
Suppose the bar management practices the fixed-QUANTITY ordering system with the use of the economic order quantity. Answer the following questions:
(i) How many meters of cable they order from the supplier each time?
(ii) When do they place an order?
(iii) What is the safety stock?
The Pacific Lumber Company and Mill processes 10,000 logs annually, operating 250 days peryear. Immediately upon receiving an order, the logging company’s supplier begins delivery tothe lumber mill, at a rate of 60 logs per day. The lumber mill has determined that the orderingcost is $1,600 per order and the cost of carrying logs in inventory before they are processed is$15 per log on an annual basis. Determine The total inventory cost associated with the optimal order quantity
Palin's Muffler Shop has one standard muffler that fits a large variety of cars. The shop wishes to establish a periodic review system to
manage inventory of this standard muffler. Use the information in the following table to determine the optimal inventory target level (or
order-up-to level).
Ordering cost
Service probability
Annual demand
3,750
mufflers
$ 60
92 %
per order
mufflers per working day
per muffler
% of item value
working days
Standard deviation of daily demand
Item cost
$39.00
working days
per year
Lead time
3
Working days
Annual holding cost
Review period
31
250
20
a. What is the optimal target level (order-up-to level)? (Use Excel's NORMSINV() function to find the correct critical value for the
given a-level. Do not round intermediate calculations. Round "z" value to 2 decimal places and final answer to the nearest whole
number.)
Optimal target level
b. If the service probability requirement is 92 percent, the optimal target level will:
O Stay the same
Decrease
O…
Chapter 13 Solutions
Operations and Supply Chain Management 9th edition
Ch. 13.S - Prob. 1QCh. 13.S - How are steady-state results achieved in a...Ch. 13.S - Prob. 3QCh. 13 - Describe the difference between independent and...Ch. 13 - Distinguish between a fixed-order-quantity system...Ch. 13 - Discuss customer service level for an inventory...Ch. 13 - Explain the ABC inventory classification system...Ch. 13 - Identify the two basic decisions addressed by...Ch. 13 - Describe the major cost categories used in...Ch. 13 - Explain how the order quantity is determined using...
Ch. 13 - What are the assumptions of the basic EOQ model,...Ch. 13 - How are the reorder point and lead lime related in...Ch. 13 - Describe how the production quantity model differs...Ch. 13 - How must the application of the basic EOQ model be...Ch. 13 - Why do the basic EOQ model variations not include...Ch. 13 - In the production quantity EOQ model, what would...Ch. 13 - Explain in general terms how a safety stock level...Ch. 13 - Explain the difference between a single-stage...Ch. 13 - AV City stocks and sells a particular brand of...Ch. 13 - AV City (Problem 13.1) assumed with certainty that...Ch. 13 - A firm is faced with the attractive situation in...Ch. 13 - The Sofaworld Company purchases upholstery...Ch. 13 - The Wallace Stationery Company purchases paper...Ch. 13 - The Ambrosia Bakery makes calms for freezing and...Ch. 13 - The EastCoasters Bicycle Shop operates 364 days a...Ch. 13 - The Chemeo Company uses a highly toxic chemical in...Ch. 13 - The Food Place Supermarket stocks Munehkin...Ch. 13 - Kroft Foods makes cheese to supply to stores in...Ch. 13 - The Shotz Brewery produces an ale that it stores...Ch. 13 - Tradewinds Imports is an importer of ceramics from...Ch. 13 - JAL Trading is a Hong Kong manufacturer of...Ch. 13 - In Problem 12.1 in Chapter 12, the Hartley-Davis...Ch. 13 - In Problem 12-2 in Chapter 12, Carpel City orders...Ch. 13 - In Problem 12.47 in Chapter 12, Delaplane...Ch. 13 - The Paramount Paper company produces paper from...Ch. 13 - Kellys Tavern serves Shamrock draft beer to its...Ch. 13 - The daily demand for Ironcoat paint at the Top...Ch. 13 - IM Systems assembles microcomputers from genetic...Ch. 13 - IM Systems assembles microcomputers from generic...Ch. 13 - KVS Pharmacy fills prescriptions fen a popular...Ch. 13 - Food Place Market stocks frozen pizzas in a...Ch. 13 - The Mediterranean Restaurant stocks a red Chilean...Ch. 13 - The Aztec Company stock a variety of parts and...Ch. 13 - The EastCoasters Bicycle Shop stocks bikes;...Ch. 13 - Tara McCoy is the office administrator for the...Ch. 13 - The concession stand at the Shelby High School...Ch. 13 - The Instant Paper Clip Office Supply Company...Ch. 13 - The Texas Gladiators Apparel Store The Texas...Ch. 13 - Pharr Foods Company Pharr Foods Company produces a...
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