Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
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Question
Chapter 12, Problem 19P
Summary Introduction
Interpretation:
The number of items present in the processing system.
Concept Introduction:
The number of items per hour
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Jitsmart is a retailer of plastic action-figure toys. The action figures are purchased from Tacky Toys, Inc., and arrive in boxes of 20. Full boxes are stored on high shelves out of reach of customers. A small inventory is maintained on child-level shelves. Depletion of the lower-shelf inventory signals the need to take down a box
of action figures to replenish the inventory. A reorder card is then removed from the box and sent to Tacky Toys to authorize replenishment of a container of action figures. The average demand rate for a popular action figure, Agent 99, is 18 units per day. The total lead time (waiting plus processing) is 2 days. Jitsmart's safety
stocky policy variable, a, is 0.05.
What is the authorized stock level for Jitsmart? units. (Enter your response rounded to the nearest whole number.)
Jitsmsmart is a retailer of plastic action-figure toys. The action figures are purchased from Tacky Toys, Inc. and arrive in boxes of 48. Full boxes are stored on high shelves out of reach of customers. A small inventory is maintained on child-levels shelves. Depletion of the lower-shelf inventory signals the need to take down a box of action figures to replenish the inventory. A reorder card is then removed from the box and sent to Tacky Toys to authorize the replenishment of a container of action figures. The average demand rate for popular action figure, Agent 99, is 36 units per day. The total lead time (waiting plus processing) is 11 days. Jitsmart's safety stocky policy variables 0.25. What is the authorized stock level for Jitsmart?
In a large microelectronics plant, the assembly cell for circuitboards has a demand for 200 units an hour. Two feeder cellssupply parts A and B to the assembly cell (one A and one Bfor each board). Standard containers that look like dividedtrays are used. A container will hold 20 As or 10 Bs. It takes10 minutes to fill up a container with As and 20 minutes tofill up a container with Bs. Transit time to the assembly cell is5 minutes for both A and B. No safety factor is used. Set up akanban control system for the assembly process.
Chapter 12 Solutions
Practical Operations Management
Ch. 12 - Prob. 1DQCh. 12 - Prob. 2DQCh. 12 - Prob. 3DQCh. 12 - Prob. 4DQCh. 12 - Prob. 5DQCh. 12 - Prob. 6DQCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4P
Ch. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 1.1QCh. 12 - Prob. 1.2QCh. 12 - Prob. 1.3QCh. 12 - Prob. 1.4QCh. 12 - Prob. 2.1QCh. 12 - Prob. 2.2QCh. 12 - Prob. 2.3QCh. 12 - Prob. 3.1QCh. 12 - Prob. 3.2QCh. 12 - Prob. 3.3Q
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- A finished goods inventory on average contains 10,000 units. Demand averages 1,500 units per week. Given that the process runs 50 weeks a year, what is the expected inventory turn for the inventory? Assume that each item held in inventory is valued at about the same amount.arrow_forwardThe infrastructure area does not need to be consistent with the customers area. Select one: True O Falsearrow_forwardThe Northridge Company tends to keep the inventory low. At the same time, it is important to respond to demand quickly, since a customer who wants a product K is very likely to get one from a competitor if Northridge Company doesn’t have one available immediately. Northridge Company’s current policy to produce the product K is to produce 100 per week, which is the average demand. Even this is a problem, as the production manager has pointed out, since the equipment is also used for other products and the lot size of 300 would be much more efficient. He said he is currently set up the production for product K for the next week and states that he has capacity available to produce 300 at a time next week. The following lists the forecasts and actual customer orders for the next 12 weeks. Week 1 2 3 4 5 6 7 8 9 10 11 12 Forecast 90 120 110 80 85 95 100 110 90 90 100 110 Customer Orders 105 97 93 72 98 72 53 21…arrow_forward
- Better eliminate waste of over processing is a direct benefit related to a pull system. True or Falsearrow_forwardThe UCC only covers goods transaction, not services transactions. True Falsearrow_forwardWork-in-process inventory is devoted to maintenance, repair, and operating materials. A True B Falsearrow_forward
- Which of the following is not a part of the 3 processes for supply chain? Logistics processes move products Warehousing processes store products Information makes the process more efficient Moving the filesarrow_forwardA company processes feathers and ships them loose in a covered truck. The linehaul cost for an average shipment is $600, and the truck carries 2000 pounds offeathers. A bright new graduate has just been hired and has suggested that theyshould bale the feathers into 500-pound bales. This would make them easier tohandle and also allow them to be compressed into about one-tenth of the space theynow occupy. How many pounds of feathers can the truck now carry? What is thepresent line haul cost per pound? What will it be if the proposal is adopted?arrow_forwardIn the Toyota Production System, jidoka refers to:(a) level production, where different models are produced alongside each other on theassembly line.(b) continuous improvement, where workers organize meetings to discuss ways ofimproving the production process.(c) the inventory retrieval system, where parts are replenished only when they are needed.(d) the aggressive reduction of changeover and setup times(e) continuous line-balancing to maximize utilization. (f) the cross-training of workers for a wide range of skills. (g) none of the abovearrow_forward
- What term refers to a schedule that pulls material into final assembly at a constant rate?arrow_forwardMarkland First National Bank of Rolla utilizes kanban techniques in its check processing facility. The following information is known about the process. Each kanban container can hold 50 checks and spends 24 minutes a day in processing and 2 hours a day in materials handling and waiting. Finally, the facility operates 24 hours per day and utilizes a policy variable for unforeseen contingencies of 0.25.a. If there are 20 kanban containers in use, what is the current daily demand of the check processing facility?b. If the muda or the waste in the system were eliminated completely, how many containers would then be needed?arrow_forwardA Company produces a component for use in the aerospace industry. The component consists of three parts (A, B and C), which are purchased externally and cost 50c, 60c and 70c per piece respectively. Parts A and B are assembled first on assembly line 1, which produces 150 components per hour. Part C undergoes a drilling operation before being finally assembled with the output from assembly line 1. There are six drilling machines in total, but only three are currently operational. Each drilling machine drills part C at a rate of 30 parts per hour. The final assembly line has a production capacity of 100 components per hour. At present, components are produced eight hours a day, five days a week. If the need arises, management can add a second shift of eight hours for the assembly lines only. The cost of assembly labour is 40c per assembly operation for each assembly line; the cost of drilling labour is 20c per part. For drilling, the cost of electricity is 10c per part. The overhead cost…arrow_forward
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