Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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A service garage uses 204 boxes of cleaning cloths a year. The boxes cost $12 each. The cost to place one order is $15, and the cost to hold one box in inventory for a year is $2.40."
If the owner of the service garage in the previous question orders the EOQ, instead of 12 boxes at a time, how much will he save?
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- A medical equipment has an average monthly demand is 134 units. Its unit cost is $385. It costs $486 to place an order, and the inventory carrying cost is $44 per unit per year. The equipment requires a 95% of service level with a safety stock requirement of 20 units. What is the equipment's minimum annual total inventory cost?arrow_forwardIf annual sales in are 65,000 units, price per unit is $25, carrying costs are 30%, and fixed costs per order is $100, then EOQ is 1,316.56. True or False?arrow_forwardFirst Printing has contracts with legal firms in San Francisco to copy their court documents. Daily demand is almost constant at 11,100 pages of documents. The lead time for paper delivery is normally distributed with a mean of 1 day and a standard deviation of 1 day. A 95% service level is expected. Compute First's ROP. Refer to the standard normal table for z-values. The reorder point is documents (round your response to the nearest whole number). Z-Table Z 0.38 0.50 0.67 0.84 1.04 1.28 1.41 1.56 1.65 1.75 1.88 2.06 2.33 Print Pr(Z) 65 69 75 80 85 90 92 94 95 96 97 98 99 Done - Xarrow_forward
- A gift shop sells 400 boxes of scented candles a year. The ordering cost is $50 for scented candles, and holding cost is $25 per box per year. What is the economic order size for scented candles?arrow_forwardThe demand for a particular part called SKU 005 is 1,200 units a year. The cost of one SKU 005 is $40.00. It costs $60.00 to place an order SKU 005, and the user of SKU 005 has a per year inventory carrying cost of 25% of unit cost. Assume that there are 250 working days in the year where SKU 005 is used. Once the purchasing manager for SKU 005 places an order, it always takes the vendor 5 working days to deliver that order. What should the purchasing manager's reorder point be? O A. 24 O B. 36 O C. 30 O D. 5 O E. 12arrow_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_forward
- As the Manager of Branson’s Department Store, you are responsible for ensuring that reorder quantities for the various items have been correctly established. You decide to test one item and choose product Z. A continuous review inventory policy has been used, so you examine this as well as other records and come up with the following data: Cost per unit $35 Holding cost 20 percent of unit cost Average daily demand 10 units Ordering cost $30 per order Standard deviation of daily demand 3 units Delivery lead time 4 days Because customers generally do not wait but go elsewhere, you decide on a service probability of 90 percent. Assume that Branson’s Department Store operates 320 days per year. [What is the annual demand (D)? Determine the optimal order quantity, Q*. Determine the reorder point (R) if demand is constant. Determine the reorder point (R) if demand is varies.arrow_forwardConsider a continuous review inventory system. Demand is normally distributed with an average of 28,000 per month and a monthly standard deviation of 4900 units. Lead time is 3 weeks (assume four weeks per month) (round Z-values, standard deviations to two decimal places). If the firm desires a(n) 90% cycle service level, it should hold enter your response here units of safety stock (round your response to the nearest integer).arrow_forwardThe production order quantity for this problem is approximately 332 units. daily demand rate = 64; daily production rate = 100. What is the average inventory on - hand ( in other words - the inventory for which you are paying Holding Costs ) In this problem ?arrow_forward
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