Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 11, Problem 5CQ
Summary Introduction
To explain: The relationship between the in-stock probability of a location and the lead time at the location.
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What is the relationship between the average inventory and the in-stock probability?a. The more the inventory, the lower the in-stock probability.b. There isn’t a definitive relationship—more inventory could mean a lower or a higherin-stock probability.c. The more the inventory, the higher the in-stock probability.
Retailers Warehouse (RW) is an independent supplier of household items todepartment stores. RW attempts to stock enough items for a 98 percent serviceprobability.A stainless steel knife set is one item it stocks. Demand (2,400 sets peryear) is relatively stable over the entire year. Whenever new stock isordered, a buyer must assure that numbers are correct for stock on handand then phone in a new order. The total cost involved to place an order isabout $5. RW figures that holding inventory in stock and paying forinterest on borrowed capital, insurance, and so on adds up to about $4holding cost per unit per year.Analysis of the past data shows that the standard deviation of demandfrom retailers is about four units per day for a 365-day year. Lead time toget the order is seven days.a. What is the economic order quantity?b. What is the reorder point?
26
Which of the following statements is true with regard to cycle stock?
a
It is also called surplus stock.
b
It is received from a downstream supply chain partner.
c
It is seasonal in nature
d
It is also referred to as base stock.
27
Inventories that are in transit in containers or trucks ______.
a
are known as pipeline inventories
b
are known as in-house inventories
c
are relatively small in global supply chain (as compared to domestic supply chains)
d
are known as en route inventories
Chapter 11 Solutions
Operations Management
Ch. 11 - Prob. 1CQCh. 11 - Prob. 2CQCh. 11 - Prob. 3CQCh. 11 - Prob. 4CQCh. 11 - Prob. 5CQCh. 11 - Prob. 6CQCh. 11 - Prob. 7CQCh. 11 - Prob. 8CQCh. 11 - Prob. 9CQCh. 11 - Prob. 10CQ
Ch. 11 - Prob. 11CQCh. 11 - Prob. 12CQCh. 11 - Prob. 13CQCh. 11 - Over time, consumers have less of a need for a...Ch. 11 - For 10 percent of the products in a category, a...Ch. 11 - Anvils Works requires, on average, 2800 tons of...Ch. 11 - Prob. 3PACh. 11 - Prob. 1CCh. 11 - Prob. 2CCh. 11 - Rob Honeycutt created Timbuk2 to offer consumers...
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- Which of the following are likely to be symptoms of the bullwhip effect in a supplychain comprised of consumers, a retailer, a wholesaler, and a factory?I. Variability of orders from the retailer to the wholesaler is higher than variability oforders from the wholesaler to the factory.II. Variability of orders from the wholesaler to the factory is lower than the variability inconsumer demand to the retailer.III. Variability in consumer demand is lower than the variability of orders from the retailerto the wholesaler.a. I only e. I and III but not IIb. II only f. II and III but not Ic. III only g. I, II, and IIId. I and II but not IIIarrow_forwardProblem 20-10 (Algo) You are a newsvendor selling San Pedro Times every morning. Before you get to work, you go to the printer and buy the day’s paper for $0.50 a copy. You sell a copy of San Pedro Times for $1.25. Daily demand is distributed normally with mean = 335 and standard deviation = 67. At the end of each morning, any leftover copies are worthless and they go to a recycle bin. a. How many copies of San Pedro Times should you buy each morning? (Use Excel's NORMSINV() function to find the correct critical value for the given α-level. Round your z-value to 2 decimal places and final answer to to 2 decimal places.) b. Based on a, what is the probability that you will run out of stock? (Round your answer to the nearest whole number.)arrow_forwardProblem 20-10 (Algo) You are a newsvendor selling San Pedro Times every morning. Before you get to work, you go to the printer and buy the day's paper for $0.30 a copy. You sell a copy of San Pedro Times for $1.10. Daily demand is distributed normally with mean = 265 and standard deviation = 53. At the end of each morning, any leftover copies are worthless and they go to a recycle bin. a. How many copies of San Pedro Times should you buy each morning? (Use Excel's NORMSINV() function to find the correct critical value for the given a-level. Round your z-value to 2 decimal places and final answer to to 2 decimal places.) Optimal order quantity b. Based on a, what is the probability that you will run out of stock? (Round your answer to the nearest whole number.) Probabilityarrow_forward
- Abdullah records the following monthly purchases and sales of an item. Month Number bought Cost of each unit (€) Number sold November 110 22 73 December 60 26 71 January February March 70 30 49 50 28 53 80 24 37 April 40 32 71 Assuming he has no opening stock (Before November), 1. What is the remaining stock at the end of the period (April)? 2. What is the cost (cost of purchase) of the total inventory (Currency in Saudi Riyals))? 3. If each unit is sold for 35SR, What is the income for Abdullah's company till end of April?arrow_forwardABC INVENTORY CLASSIFICATION A company trades with a number of items and the management is interested in classifying the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.The following is a list of the items the company deals with and their respective demand and cost.demand and cost. d) Make a sketch of the graph generated from the ABC classification.arrow_forwardABC INVENTORY CLASSIFICATION A company trades with a number of items and the management is interested in classifying the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.The following is a list of the items the company deals with and their respective demand and cost.demand and cost. c) Will you be able to decide with the classification tool which of the items can no longer be marketed by the company?arrow_forward
- 5. Why can it be bad business practice to not maintain adequate inventory? A. Results in high inventory carrying costs B. Results in a long average collection period C. Can result in stockouts and lost business D. Can result in a long average payment period E. None of the above 6. Splodnick Corporation sells 40,000 units of nebulous ambiguities every year. It costs them $100 to order more units, regardless of the order size. It costs Splodnick 63 cents per year to carry each unit. Using the Economic Order Quantity model, what should be Splodnick’s optimal number of units per order? Round your answer to the nearest whole number of units. A. 356 B. 3,563 C. 283 D. 178 E. None of the abovearrow_forwardExplain the stochastic inventory models ? When are they used ?arrow_forwardRetailers Warehouse (RW) is an independent supplier of household items to department stores. RW attempts to stock enough items for a 98 percent service probability. A stainless steel knife set is one item it stocks. Demand (2,400 sets per year) is relatively stable over the entire year. Whenever new stock is ordered, a buyer must assure that numbers are correct for stock on hand and then phone in a new order. The total cost involved to place an order is about $5. RW i gures that holding inventory in stock and paying for interest on borrowed capital, insurance, and so on, add up to about $4 holding cost per unit per year.Analysis of the past data shows that the standard deviation of demand from retailers is about four units per day for a 365-day year. Lead time to get the order is seven days.a. What is the economic order quantity?b. What is the reorder point?arrow_forward
- ABC INVENTORY CLASSIFICATION A company trades with a number of items and the management is interested in classifying the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.The following is a list of the items the company deals with and their respective demand and cost.demand and cost. a) Perform an ABC classification considering that the company wishes to have control of 82% of the valorization.arrow_forwardRetailers Warehouse (RW) is an independent supplier of household items to department stores. RW attempts to stock enough items for a 98 percent service probability. A stainless steel knife set is one item it stocks. Demand (2,400 sets per year) is relatively stable over the entire year. Whenever new stock is ordered, a buyer must ensure that numbers are correct for stock on-hand and then phone in a new order. The total cost involved to place an order is about $5. RW figures that holding inventory in stock and paying for interest on borrowed capital, insurance, and so on, add up to about $4 holding cost per unit per year. Analysis of the past data shows that the standard deviation of demand from retailers is about four units per day for a 365-day year. Lead time to get the order is seven days. What is the economic order quantity? Note: Round your answer to the nearest whole number. What is the reorder point? Note: Use Excel's NORM.S.INV() function to find the z value. Round z…arrow_forwardABC INVENTORY CLASSIFICATION A company trades with a number of items and the management is interested in classifying the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.the items contained in the warehouse according to the order of importance, by the capital retained in the warehouse.The following is a list of the items the company deals with and their respective demand and cost.demand and cost. b) Which of the listed items do you consider to be of great importance for the management of the company?arrow_forward
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