Operations Management: Processes And Supply Chains (12th Edition) (what's New In Operations Management)
12th Edition
ISBN: 9780134742205
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter 9, Problem 10P
Babble, Inc. buys 400 blank cassette tapes per month for use in producing foreign language courseware. The ordering cost is $12.50. Holding cost is $0.12 per cassette per year.
- How many tapes should Babble, Inc. order at a time?
- What is the time between orders?
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A small mail-order company uses 14,000 boxes a year. Holding cost rate is 18 percent of unit cost per year, and ordering cost is $33 per order. The following quantity discounts are available.
Number of Boxes Price per Box 1,000 to 1,999 $1.15 2,000 to 4,999 1.10 5,000 to 9,999 1.05 10,000 or more 1.00
a. Determine the optimal order quantity.
Optimal order quantity boxes
b. Determine the number of orders per year. (Round the final answer to 1 decimal place.)
No. of orders per year
Recognize the important relationship between inventory management and delivering the perfectcustomer order
Charlie’s Pizza orders all of it pepperoni, olives, anchovies, and mozzarella cheese to be shipped directly from Italy. An American distributor stops by every seven weeks to take orders. Because the orders are shipped directly from Ital, they take six weeks to arrive.
Charlies Pizza uses an average of 250 pounds of pepperoni each week, with a standard deviation of 18 pounds. Charlie prides itself on offering only the best –quality ingredients and a high level of service, so it wants to ensure a 95 percent probability of not stocking out on pepperoni.
Assume that the sales representative just walked in the door and there are currently 470 pounds of pepperoni in the walk-in cooler. How many pounds of pepperoni would you order? (Use the excels NORMSINV( ) function to find the critical value for the given a-level, (Round you z-value to 2 decimal places and final answer t
Chapter 9 Solutions
Operations Management: Processes And Supply Chains (12th Edition) (what's New In Operations Management)
Ch. 9 - What is the relationship between inventory and the...Ch. 9 - Suppose that a large discount retailer with a lot...Ch. 9 - Will organizations ever get to the point where...Ch. 9 - A part is produced in lots of 1,000 units. It is...Ch. 9 - Prince Electronics, a manufacturer of consumer...Ch. 9 - Terminator, Inc. manufactures a motorcycle part in...Ch. 9 - Ruby-Star Incorporated is considering two...Ch. 9 - Haley Photocopying purchases paper from an...Ch. 9 - Prob. 6PCh. 9 - Southern Markets, Inc. is considering the use of...
Ch. 9 - New Wave Shelving’s inventory manager would like...Ch. 9 - Yellow Press, Inc. buys paper in 1,500-pound rolls...Ch. 9 - Babble, Inc. buys 400 blank cassette tapes per...Ch. 9 - At Dot Com, a large retailer of popular books,...Ch. 9 - Leaky Pipe, a local retailer of plumbing supplies,...Ch. 9 - Sam’s Cat Hotel operates 52 weeks per year, 6...Ch. 9 - Consider again the kitty litter ordering policy...Ch. 9 - In a Q system, the demand rate for strawberry ice...Ch. 9 - Petromax Enterprises uses a continuous review...Ch. 9 - In a continuous review inventory system, the lead...Ch. 9 - In a two-bin inventory system, the demand for...Ch. 9 - You are in charge of inventory control of a highly...Ch. 9 - Your firm uses a continuous review system and...Ch. 9 - A company begins a review of ordering policies for...Ch. 9 - Prob. 22PCh. 9 - The Farmer’s Wife is a country store...Ch. 9 - Prob. 24PCh. 9 - Prob. 25PCh. 9 - Prob. 26PCh. 9 - In a P system, the lead time for a box of...Ch. 9 - Suppose that Sam’s Cat Hotel in Problem 13 uses...Ch. 9 - Your firm uses a periodic review system for all...Ch. 9 - Using the same information as in Problem 21,...Ch. 9 - Wood County Hospital consumes 1,000 boxes of...Ch. 9 - A golf specialty wholesaler operates 50 weeks per...Ch. 9 - What is the EOQ and what is the lowest total cost?Ch. 9 - What is the annual cost of holding inventory at...Ch. 9 - Prob. 3AMECh. 9 - Prob. 4AMECh. 9 - Prob. 5AMECh. 9 - Prob. 6AMECh. 9 - Comment on the sensitivity of the EOQ model to...Ch. 9 - Consider the pressures for small versus large...Ch. 9 - Prob. 2VCCh. 9 - The Marker Maker© product recently experienced an...Ch. 9 - Put yourself in Sue McCaskey’s position and...Ch. 9 - By how much do your recommendations for these two...
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- The company uses 150,000 gallons of alcohol per month. The cost of carrying the alcohol in inventory is P0.50 per gallon per year, and the cost of ordering is P150 per order. The firm uses the alcohol at a constant rate throughout the year. It takes 18 days to receive an order once it is placed. The reorder point is?arrow_forwardYellow Press, Inc., buys paper in 1,500-pound rolls for printing. Annual demand is 3,000 rolls. The cost per roll is $1,000, and the annual holding cost is 28 percent of the cost. Each order costs $75. Part 2 a. How many rolls should Yellow Press order at a time? Yellow Press should order enter your response here rolls at a time. (Enter your response rounded to the nearest whole number.) Part 3 b. What is the time between orders? (Assume 200 workdays per year.) The time between orders is enter your response here days. (Enter your response rounded to one decimal place.)arrow_forwardThe company uses cooking oil in its business. The usage of cooking oil is normally distributed with an average of 30 gallons per week and a standard deviation of four gallons per week. The manager asked you to help him decide how to reorder cooking oil in order to achieve a service level of 97.5 percent . Lead time is nine days. a) If cooking oil can be ordered as needed, what reorder point should be used? Answer in 2 decimal places.b) If a fixed interval of 20 days is specified, how much safety stock should the company carry. Answer in 2 decimal places.arrow_forward
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