Problem 1:Jill's Job Shop buys the following Part (X-123) for use in its productionsystem. The parts are needed throughout the entire 52-week year.Data for the part are as follows:ITEMX-123Annual demand10,000Holding cost per unit per year$4Order cost$35Lead time2 weeksSafety stock150 unitsItem cost$10.00Use the Fixed-Order Quantity Model to find the following:a) Compute the optimum order quantity (Q).b) What is the reorder point (R) for the item?c) Find the Total Annual Cost (TC) for the item.

Given, Annual Demand = 10,000 Holding Cost = $4 Ordering Cost = $35 Item Cost = $10 Lead time = 2…

Answered: Problem 1: Jill's Job Shop buys the…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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1. Determine the inventory order quantity for Diamant’s distributor.2. Compare the optimal order quantity with a seasonally adjusted forecast for demand. Doesthe order quantity seem adequate to meet the seasonal demand pattern for Diamonds(i.e., is it likely that shortages or excessive inventories will occur)?
1. Michael Traci, the new inventory manager at Magyar Golf Supplies, is considering using the economic order quantity for controlling inventory. He wants you to apply the EOQ to a sample product, the Super-Z Wedge. The Super-Z Wedge has an average demand of 30 units/period with an ordering cost of $30/order. The cost of carrying a Super-Z Wedge in inventory is $2.00/unit/ period. No safety stock is carried for this item. a. Calculate the economic order quantity. b. Calculate the average cycle stock for this item using the order quantity in question a. c. Assuming there are 12 periods per year, calculate total cost per year.
Current decision to buy: Ross White's machine shop uses 300 brackets each month during the course of a year. This usage is relatively constant throughout the year. Currently, these brackets are purchased from a supplier 100 miles away for $25 each and the lead time is 2 days. The holding cost per bracket per year is $3.75 (15% of the unit cost) and the annual ordering cost per order is $18.50. There are 240 working days per year. Possible future decision to make in-house: Ross White is reconsidering his decision of buying the brackets and is considering making the brackets in-house. He has determined the set up costs would be $22.50 in machinist time and lost production time. Forty eight brackets could be produced in a day once the machine has been set up. Ross estimates that the cost (including labor and materials) of producing one bracket would be $22.85. The holding cost would be 12% of the cost. What is the EOQ given Ross' current decision to buy the brackets? What is the…
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Kooyman hardware sells 31 different types of drills. They had demand for 25 of the drills and satisfied 78 percent of the demand. What was their fill rate for drills? % ( Do not round intermediate calculations.
As with other products, Fisher-Price faces the decision of how many Weather Teddy units to order for the comingholiday season. Members of the management team suggested order quantities of 15,000, 18,000, 24,000, or28,000 units. The wide range of order quantities suggested indicates considerable disagreement concerning themarket potential. The product management team asks you for an analysis of the stock-out probabilities forvarious order quantities, an estimate of the profit potential, and to help make an order quantity recommendation.Fisher-Price expects to sell Weather Teddy for $24 based on a cost of $16 per unit. If inventory remains afterthe holiday season, Fisher-Price will sell all surplus inventory for $5 per unit. After reviewing the sales historyof similar products, Fisher-Price’s senior sales forecaster predicted an expected demand of 20,000 units with a.95 probability that demand would be between 10,000 units and 30,000 units. Question: One of Fisher-Price’s managers felt…
Joe Henry's machine shop uses 2,500 brackets during the course of a year. These brackets are purchased from a supplier 90 miles away. The fo llowing information is known about the brackets: a) Given the information, what would be the economic order quantity (EOQ)?b) Given the EOQ, what would be the average inventory? What would be the annual inventory holding cost?c) Given the EOQ, how many orders would be made each year? What would be the annual order cost?d) Given the EOQ, what is the total annual cost of managing the inventory?e) What is the time between orders?f) What is the reorder point (ROP)?
1. What is the economic order quantity for BBE in units? In pounds? 4.What is the total cost for using air carrier transportation?
Problem 7 Lynne Chappell manages the inventory of supplies in a large hospital. To determine which items should be closely monitored, Lynne decided to use the ABC classification schemeto group the items on the basis of their value. Asthe following table shows, she took a random sample of20 items and recorded the annual usage and unit cost ofeach. How should each item be classified?Inventory Item Unit cost(in U.S.dollars) AnnualUsageP21 $80 800A12 $400 70K43 $50 100S54 $60 90C25 $50 130D76 $30 170E27 $20 200F38 $300 90H19 $520 120Q10 $10 100R82 $20 80G65 $80 70L71 $220 200M94 $70 80V45 $15 60T62 $30 180I17 $20 80W22 $300 90O37 $700 85N88 $5 100
1. Demand for walnut fudge ice cream at the Sweet Cream Dairy can be approximated by a normal distribution with a mean of 21 gallons per week and a standard deviation of 5 gallons per week. The new manager desires a service level of 90 percent. Lead time is 8 days, and the dairy is open seven days a week. (Hint: Work in terms of weeks.) If the ROP model is used, what is the appropriate  safety stock level  to achieve the desired service level? Round to two decimal places. Answer: _________

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