Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 12, Problem 7P
William Seville’s computer training school, in Richmond, stocks workbooks with the following characteristics:
a) Calculate the EOQ for the workbooks.
b) What are the annual holding costs for the workbooks?
c) What are the annual ordering costs?
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1. Calculate Economic Order Quantity (EOQ), number of orders, annual ordering costs, annual carrying costs and total inventory costs from the following: Annual consumption: 6000 units ; Cost of placing one Order: RO 60 Carrying cost per unit: RO 22. Find out the EOQ, Annual ordering cost and annual holding cost from the following information. The demand is 19500 units per year, holding cost is RO 4 per unit for a year and ordering cost is RO 25 order. 3. Find out the ordering cost from the following information, Annual demand is 240 units, holding cost RO 4 per unit for a year and EOQ is 60 units.
The demand of paper box every year is 6,400 boxes. Storage and handling costs for the paper
are $40 a year per box, and it costs approximately $80 to order and receive a shipment of a
paper box.
a. What order size would minimize the sum of annual ordering and carrying costs?
b. Compute the total annual cost using your order size from part a.
William Beville's computer training school, in Richmond, stocks workbooks with the following characteristics:
Demand D
19,000 units/year
Ordering cost S $23/order
Holding cost H
$4/unit/year
a) The EOQ for the workbooks is
(round your response to the nearest whole number).
b) What are the annual holding costs for the workbooks? $ (round your response to the nearest whole number).
c) What are the annual ordering costs? $
(round your response to the nearest whole number).
Chapter 12 Solutions
Principles Of Operations Management
Ch. 12 - Ethical Dilemma Wayne Hills Hospital in tiny...Ch. 12 - Prob. 1DQCh. 12 - Prob. 2DQCh. 12 - What is the purpose of the ABC classification...Ch. 12 - Prob. 4DQCh. 12 - Explain the major assumptions of the basic EOQ...Ch. 12 - Prob. 6DQCh. 12 - Prob. 7DQCh. 12 - Prob. 8DQCh. 12 - What impact does a decrease in setup time hive on...
Ch. 12 - Prob. 10DQCh. 12 - Prob. 11DQCh. 12 - Explain the following: All things being equal, the...Ch. 12 - Prob. 13DQCh. 12 - Prob. 14DQCh. 12 - Prob. 15DQCh. 12 - When demand is not constant, the reorder point is...Ch. 12 - Prob. 17DQCh. 12 - State a major advantage, and a major disadvantage,...Ch. 12 - L. Houts Plastics it a large manufacturer of...Ch. 12 - Prob. 2PCh. 12 - Jean-Mane Bourjollys restaurant has the following...Ch. 12 - Lindsay Electronics, a small manufacturer of...Ch. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - William Sevilles computer training school, in...Ch. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Matthew Liotines Dream Store sells beds and...Ch. 12 - Southeastern Bell stocks a certain switch...Ch. 12 - Lead time for one of your fastest-moving products...Ch. 12 - Annual demand for the notebook binders at Duncans...Ch. 12 - Thomas Kratzer is the purchasing manager for the...Ch. 12 - Joe Henrys machine shop uses 2,500 brackets during...Ch. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Cesar Rego Computers, a Mississippi chain of...Ch. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - M. P. VanOyen Manufacturing has gone out on bid...Ch. 12 - Chris Sandvig Irrigation, Inc., has summarized the...Ch. 12 - Prob. 28PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - Prob. 37PCh. 12 - Prob. 38PCh. 12 - Prob. 39PCh. 12 - Prob. 40PCh. 12 - Barbara Flynn is in charge of maintaining hospital...Ch. 12 - Prob. 42PCh. 12 - Authentic Thai rattan chairs (shown in the photo)...Ch. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Gainesville Cigar stocks Cuban agars that have...Ch. 12 - A gourmet coffee shop in downtown San Francisco is...Ch. 12 - Prob. 50PCh. 12 - Prob. 51PCh. 12 - Henrique Correas bakery prepares all its cakes...Ch. 12 - Prob. 53PCh. 12 - Prob. 1CSCh. 12 - Prob. 2CSCh. 12 - Prob. 3CSCh. 12 - Prob. 1.1VCCh. 12 - Prob. 1.2VCCh. 12 - Prob. 1.3VCCh. 12 - Prob. 1.4VCCh. 12 - Prob. 1.5VCCh. 12 - Prob. 1.6VCCh. 12 - Prob. 1.7VCCh. 12 - Prob. 2.1VCCh. 12 - Prob. 2.2VCCh. 12 - Prob. 2.3VCCh. 12 - Prob. 2.4VCCh. 12 - Inventory Control at Wheeled Coach Controlling...Ch. 12 - Prob. 3.2VCCh. 12 - Inventory Control at Wheeled Coach Controlling...
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- William Beville's computer training school, in Richmond, stocks workbooks with the following characteristics: Demand D 20,000 units/year Ordering cost S $23/order Holding cost H $3/unit/year Part 2 a) The EOQ for the workbooks is ________ (round your response to the nearest whole number). Part 3 b) What are the annual holding costs for the workbooks? $________ (round your response to the nearest whole number). Part 4 c) What are the annual ordering costs? $_________ (round your response to the nearest whole number).arrow_forwardEOQ, reorder point, and safety stock Alexis Company uses 916 units of a product per year on a continuous basis. The product has a fixed cost of $60 per order, and its carrying cost is $3 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. a. Calculate the EOQ. b. Determine the average level of inventory. (Note: Use a 365-day year to calculate daily usage.) c. Determine the reorder point. d. Indicate which of the following variables change if the firm does not hold the safety stock: (1) order cost, (2) carrying cost, (3) total inventory cost, (4) reorder point, (5) economic order quantity. a. Alexis' EOQ is units. (Round to the nearest whole number.)arrow_forwardWalrus Company has the following information available concerning one of its inventory items: Cost of placing an order $30.00 Unit carrying cost per year $3.00 Annual unit demand 6,625 Safety stock 125 Average daily demand 25 Normal lead time in days 10 If there is a delay in shipping the item, approximately how many days can be covered by the safety stock? a.5 days b.110 days c.26 days d.31 daysarrow_forward
- Reorder Point Ordering: Average daily demand ( d) is 5 units with a std. dev. (od) of 1 unit. Average lead time ( LT) is 24 days with a std. dev. (OLT) of 1 day. The inventory manager wants to operate within 3 std. deviations (z = 3). Find the reorder point (ROP) and safety stock (S). ROP=141, SS=120 ROP=141, SS=21 ROP=120, SS=21 ROP=21, SS=141arrow_forwardAnnual demand= 360 units Holding cost per year = 1 $ per unit Ordering cost = $ 100 per order Compute EOQ , total cost(holding and ordering cost),no of order per year and expected time (days) between orders(Assuming a 300-day work ) and what would the actual total holding and ordering costs be if the annual demand was actually higher than estimated i.e 500 units instead of 360 units, but the EOQ established above is used. If demand for an item is 3 units per day, and delivery lead time is 15 days, what would be the re-order point?arrow_forwardWilliam Beville’s computer training school, inRichmond, stocks workbooks with the following characteristics: Demand D = 19,500 units>yearOrdering cost S = +25>orderHolding cost H = +4>unit>yeara) Calculate the EOQ for the workbooks.b) What are the annual holding costs for the workbooks?c) What are the annual ordering costs?arrow_forward
- The materials manager for a billiard ball maker must periodically place orders for resin, one of the raw materials used in producing billiard balls. She knows that manufacturing uses resin at a rate of 50 kilograms each day, and that it costs $.04 per day to carry a kilogram of resin in inventory. She also knows that the order costs for resin are $100 per order, and that the lead time for delivery is four days. If the order size was 1,000 kilograms of resin, what would be the average inventory level?arrow_forwardEzrah is attempting to perform an inventory analysis on one of her most popular beauty products, the Heavenly perfume Annual demand for this product is 10,000 units with carrying costs of P50 per unit per year . ordering costs for her company typically run P100 per order Lead time averages 10 days (Assume 250 working days) What is the economic order quantity?arrow_forwardXemex has collected the following inventory data for the six items that it stocks: ITEM CODE UNIT COST ($) ANNUAL DEMAND (UNITS) ORDERING COST ($) CARRYING COST AS A PERCENTAGE OF UNIT COST 1 10.60 600 40 20 2 11.00 450 30 25 3 2.25 500 50 15 4 150.00 560 40 15 5 4.00 540 35 16 6 4.10 490 40 17 Lynn Robinson, Xemex’s inventory manager, does not feel that all of the items can be controlled. What ordered quantities do you recommend for which inventory product(s)?arrow_forward
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