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 40P
IM Systems assembles microcomputers from genetic components. It purchases its color monitors from a manufacturer in Taiwan: thus, there is a long lead time of 25 days. Daily demand is
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Daily demand for product sample kits is normally distributed with a mean of 35 units and a standard deviation of 4. Supply is virtually certain with a lead time of 9 days. The cost of placing an order is $20, and annual carrying costs for one kit is 25 percent. The price of one kit is $12.50. Assume a year has 365 days.If a 99% service level is desired, what is average inventory on hand?
If demand had no variation, what would the reorder point be?
H & K Electronic Warehouse sells a 12-pack of AAA batteries, and this is a very popular item. Demand for this is normally distributed, with an average of 50 packs per day and a standard deviation of 16. The average delivery time is 5 days, with a standard deviation of 2 days. Delivery time has been found to be normally distributed. A 96% service level is desired.
What is the standard deviation of demand during the lead time?
How much safety stock should be carried, and what should be the reorder point
Coffee Company uses 800 units of a product per year on a continuous basis. The product has a Fixed Cost of $50 per order, and its carrying cost is $2 per unit per year. It takes 5 days to receive a shipment after an order is placed, and the firm wishes to hold 10 days’ usage in inventory as a safety stock. Show Computations and Explanations.
The EOQ = 200 Units
The Average Level of Inventory = 92 Units
The Reorder Point = 33 Units
A. Indicate if the Variable Change if the firm does not hold the Safety Stock. Variable: Ordering Cost (Format: Change or Do not Change)
B. Indicate if the Variable Change if the firm does not hold the Safety Stock. Variable: Carrying Cost (Format: Change or Do not Change)
C. Indicate if the Variable Change if the firm does not hold the Safety Stock. Variable: Total Inventory Cost (Format: Change or Do not Change)
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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- Peach Company uses 800 units of a product per year on a continuous basis. The product has a Fixed Cost of $50 per order, and its carrying cost is $2 per unit per year. It takes 5 days to receive a shipment after an order is placed, and the firm wishes to hold 10 days’ usage in inventory as a safety stock. Show Computations and Explanations. The EOQ = 200 Units The Average Level of Inventory = 121.92 Units The Reorder Point = 33 Units A. Indicate if the Variable Change if the firm does not hold the Safety Stock. Variable: Reorder Point (Format: Change or Do not Change) B. Indicate if the Variable Change if the firm does not hold the Safety Stock. Variable: Economic Order Quantity (Format: Change or Do not Change)arrow_forwardTom Bergman, owner and operator of the Earplug Superstore, is reviewing the costs associated with the store's best-selling hearing aid, the BZ15. The data available to Dr. Bergman concerning this device follow. Demand = 25 units/week - Order cost = $3/order Holding cost = $1.50/unit/year The Earplug Superstore operates 52 weeks a year. If Tom decides to order at the economic order quantity, what is the TBO?arrow_forwardA pharmacist is trying to determine the inventory order and stock levels for a particular drug. The following information is available about the drug. Demand (D) 85 tablets/week Working weeks per year 52 weeks Unit holding cost per year (H) $6 Order cost (S) $44/order Standard deviation of weekly demand (sd) 15 tablets Lead time (L) 2 weeks Desired cycle service level 95% If the pharmacist uses the continuous review (Q) system to control the inventory of the drug, what would be the order quantity and reorder point? If the pharmacist uses the periodic review (P) system to control the inventory of the drug, what would be the review interval and target inventory level? (Hint: Use the EOQ model to derive the review interval P)arrow_forward
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