Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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- 7. Sam's Cat Hotel operates 52 weeks per year, 5 days per week, and uses a continuous review inventory system. It purchases kitty litter for $11.00 per bag. The following information is available about these bags. Refer to the standard normal table for z-values. ≻Demand = 95 bags/week ≻Order cost = $57/order ≻Annual holding cost = 30 percent of cost ≻Desired cycle-service level=98 percent ≻Lead time = 1 week(s) (5 working days) ≻Standard deviation of weekly demand = 20 bags ≻Current on-hand inventory is 350 bags, with no open orders or backorders. d. The store currently uses a lot size of 490 bags (i.e., Q=490). What is the annual holding cost of this policy? (Enter your response rounded to two decimal places.) and (Enter your response rounded to two decimal places.) **select the correct multiple choice answer** e. What would be the annual cost saved by shifting from the 490-bag lot size to the EOQ? (Enter your responses rounded to two decimal places.)arrow_forwardA certain successful entrepreneur purchases high-quality term papers ("guaranteed A") from an even bigger entrepreneur for resale to unethical students. Annual demand is 34000 papers, carrying cost is $3 per paper per year, and ordering cost is $90 per order. Students, being as desperate as they are, never backorder. The purchase price is stiff $35 per paper. What is the optimal order quantity (round your final answer to the nearest integer) ?MY answer 1428Correct answer 1565arrow_forwardExplain concepts of inventory like carrying costs, ordering costs, inventory models.arrow_forward
- Retail business's inventory includes goods in process and raw material. True Falsearrow_forwardMichigan State figurines Inc. sells Crystal figurines to spartan fans. They buy the figurines from the manufacture for $19 per unit. They send orders electronically to the manufacturer, cost and $33 per order and they experience an average sleep time of six days for each order to arrive from the manufacture. Their inventory Karen cost is 20%. The average daily demand for the figurines is two units per day. They are open for business 250 days a year. Answer the following questions. I am struggling with the last two.arrow_forwardThomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas’s fastest-moving inventory item has a demand of 6,000 units a year. The purchasing cost of each unit is $16 (additional 5% discount applies if at lease 150 units ordered a time), and the inventory carrying cost is $3 per unit per year. The average ordering cost is $10 per order. It takes about 3 working days for an order to arrive. (This is a corporate operation, and there are 300 working days per year.) Answer the following questions, Q1~Q5. Note that you must include Excel formulas/calculations showing how you arrive at the answer. Q1: Assume that the demand is consistent throughout the year. What is the ROP? Note that stockouts and unnecessary inventory holding should be avoided at any times. Q2: Assume that the demand is consistent throughout the year. Based on the EOQ model, to minimize the costs of purchasing, ordering and inventory holding…arrow_forward
- Potter Machine Company expects total sales of $60,000. The price per unit is $10. The firm estimates an ordering cost of $25 per order, with an inventory carrying cost of $0.70 per unit. What is the optimal order size?arrow_forwardInvestigate the effects of demand variability on the overall effectiveness of the Wilson approach in inventory management.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_forward
- Please do not give solution in image format thankuarrow_forwardRegional Supermarket is open 360 days per year. Daily use of cash register tape averages 10 rolls. Usage appears normally distributed with a standard deviation of 2 rolls per day. The cost of order-ing tape is $1, and carrying costs are 40 cents per roll a year. Lead time is three days. a. What is the EOQ?b. What ROP will provide a lead time service level of 96 percent?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_forward
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