Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 13, Problem 4CQ
Suppose the newsvendor model describes a firm’s operations decision. Is it possible to have positive stockout probability and positive expected leftover inventory? Choose the best answer.
- a. No. If there is leftover inventory, then a stockout doesn’t occur.
- b. No. If the stockout probability is positive, then expected inventory must be negative.
- c. No. Actual demand can differ from sales.
- d. Yes. A firm does not stock out and have leftover inventory at the same time, but the stockout probability can be positive even though there is positive expected leftover inventory.
- e. Yes, as long as the underage cost is greater than the overage cost.
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Suppose the newsvendor model describes a firm’s operations decision. Is it possible to havepositive stockout probability and positive expected leftover inventory? Choose the best answer. a. No. If there is leftover inventory, then a stockout doesn’t occur.b. No. If the stockout probability is positive, then expected inventory must be negative.c. No. Actual demand can differ from sales.d. Yes. A firm does not stock out and have leftover inventory at the same time, but the stockout probability can be positive even though there is positive expected leftover inventory.e. Yes, as long as the underage cost is greater than the overage cost.
Your firm uses a periodic review system for all SKUS classified, using ABC analysis, as B or C
items. Further, it uses a continuous review system for all SKUS classified as A items. The
demand for a specific SKU, currently classified as an A item, has been dropping. You have been
asked to evaluate the impact of moving the item from continuous review to periodic review.
Assume your firm operates 52 weeks per year; the item's current characteristics are:
Demand (D) = 15,080 units/year
Ordering cost (S) = $125.00/order
Holding cost (H) = $3.00/unit/year
Lead time (L) = 5 weeks
Cycle service level = 95 percent
Demand is normally distributed, with a standard deviation of weekly demand of 64 units.
-Calculate the item's EOQ.
- Use the EOQ to define the parameters of an appropriate continuous review and periodie
review system for this item.
-Which system requires more safety stock and by how much?
-How do you think each system can affect your procurement procedures/methods?
Your firm uses a periodic review system for all SKUS classified, using ABC analysis, as B or C
items. Further, it uses a continuous review system for all SKUS classified as A items. The
demand for a specific SKU, currently classified as an A item, has been dropping. You have been
asked to evaluate the impact of moving the item from continuous review to periodic review.
Assume your firm operates 52 weeks per year; the item's current characteristics are:
Demand (D) = 15,080 units/year
Ordering cost (S) = $125.00/order
Holding cost (H) = $3.00/unit/year
Lead time (L) = 5 weeks
Cycle service level = 95 percent
Demand is normally distributed, with a standard deviation of weekly demand of 64 units.
1- How do you think each system can affect your procurement procedures/methods?
Chapter 13 Solutions
Operations Management
Ch. 13 - Which of the following is NOT true about the...Ch. 13 - A newsvendor orders the quantity that maximizes...Ch. 13 - Prob. 3CQCh. 13 - Suppose the newsvendor model describes a firms...Ch. 13 - Prob. 5CQCh. 13 - Prob. 6CQCh. 13 - A retailer has two merchandizers, Sue and Bob, who...Ch. 13 - Prob. 8CQCh. 13 - Which of the following changes in the in-stock...Ch. 13 - Prob. 10CQ
Ch. 13 - Prob. 11CQCh. 13 - Prob. 12CQCh. 13 - Prob. 13CQCh. 13 - Prob. 14CQCh. 13 - Dan McClure owns a thriving independent bookstore...Ch. 13 - Flextrola, Inc., an electronics systems...Ch. 13 - Monsanto sells genetically modified seed to...Ch. 13 - Fashionables is a franchisee of The UnLimited, the...Ch. 13 - Teddy Bower is an outdoor clothing and accessories...Ch. 13 - Prob. 6PACh. 13 - Goop Inc. needs to order a raw material to make a...Ch. 13 - Geoff Gullo owns a small firm that manufactures...Ch. 13 - Prob. 9PACh. 13 - Prob. 10PACh. 13 - Prob. 11PA
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- Your firm uses a periodic review system for all SKUs classified, using ABC analysis, as B or C items. Further, it uses a continuous review system for all SKUs classified as A items. The demand for a specific SKU, currently classified as an A item, has been dropping. You have been asked to evaluate the impact of moving the item from continuous review to periodic review. Assume your firm operates 52 weeks per year; the item’s current characteristics are:Demand 1D2 = 15,080 units/yearOrdering cost 1S2 = $125.00/orderHolding cost 1H2 = $3.00/unit/yearLead time 1L2 = 5 weeksCycle@service level = 95 percentDemand is normally distributed, with a standard deviation of weekly demand of 64 units.a. Calculate the item’s EOQ.b. Use the EOQ to define the parameters of an appropriate continuous review and periodic review system for this item.c. Which system requires more safety stock and by how much?arrow_forwardA company uses the newsvendor model to manage its inventories and faces normallydistributed demand with a coefficient of variation of 0.75. The company decides toorder a quantity that exactly equals the mean of its demand forecast. Which of the following is true regarding this company’s performance measures? a. There is a .50 probability that there is enough inventory to serve all demand.b. Expected inventory equals 50 percent of the mean of the demand forecast.c. The stockout probability is .25.d. Expected inventory is 0.arrow_forwardSuppose that an organization is engaged in manufacturing and sales of a seasonal product. Based on a sales forecast of 1000, 500, 500, and 2000 per quarter, calculate a level production plan, quarterly ending inventory, and average quarterly inventory. If inventory carrying costs are $7 per unit per quarter, what is the annual cost of carrying inventory? Assume that the opening and ending inventories are zero. (without using Excel)arrow_forward
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- Zara's success relies on keeping a significant amount of its production in-house and making sure that its own factories reserve 85 percent of their capacity for in-season adjustments. In-house production allows the organization to be flexible in the amount, frequency, and variety of new products to be launched. Zara employ this inventory method which reduces inventory costs and requires them to forecast demand accurately.arrow_forwardA manager receives a forecast for next year. Demand is projected to be 600 units for the first half of the year and 920 units for the second half. The monthly holding cost is $2 per unit, and it costs an estimated $55 to process an order. a.Assuming that monthly demand will be level during each of the six-month periods covered by the forecast (e.g., 100 per month for each of the first six months), determine an order size that will minimize the sum of ordering and carrying costs for each of the six-month periods. (Round your answers to the nearest whole number.) Period Order Size 1 – 6 months?_____units 7 – 12 months?_____units b.If the vendor is willing to offer a discount of $10 per order for ordering in multiples of 50 units (e.g., 50, 100, 150), would you advise the manager to take advantage of the offer in either period? If so, what order size would you recommend? (Round intermediate calculations to 2 decimal places.) Period Order Size 1 – 6 months?____ units 7 – 12 months?____…arrow_forwardNutmeg Inc. uses the LIFO method to account for inventory. During years in whichinventory unit costs are generally rising and in which the company purchases more inventory than it sells to customers, its reported gross profit margin will most likely be:A. lower than it would be if the company used the FIFO method.B. higher than it would be if the company used the FIFO method.C. about the same as it would be if the company used the FIFO method.arrow_forward
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