Concept explainers
A large law firm uses an average of 40 boxes of copier paper a day. The firm operates 260 days a year. Storage and handling costs for the paper are $30 a year per box, and it costs approximately $60 to order and receive a shipment of paper.
a. What order size would minimize the sum of annual ordering and carrying costs?
b. Compute the total annual cost using your order size from part a.
C. Except for rounding, are annual ordering and carrying costs always equal at the EOQ?
d. The office manager is currently using an order size of 200 boxes. The partners of the firm expect the office to be managed "in a cost-efficient manner." Would you recommend that the office manager use the optimal order size instead of 200 boxes? Justify your answer.
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Operations Management
- A local distributor for a national tire company expects to sell approximately 9,600 steelbelted radial tires of a certain size and tread design next year. Annual carrying cost is $16per tire, and ordering cost is $75. The distributor operates 288 days a year.a. a. What is the EOQ?b. How many times per year does the store reorder? c. What is the length of an order cycle?d. What will the total annual cost be if the EOQ quantity is ordered?arrow_forwarda) What is the economic order quantity? b) Find the annual holding costs.c) Find the annual ordering costs.d) What is the reorder point?arrow_forwardQuestion 1 For supply item ABC, Andrews Company has been ordering 400 units per week. A new purchasing agent has been hired by the company who wants to start using the economic-order- quantity method and its supporting decision elements. She has gathered the following information: Annual demand in units Lead time, in days Ordering costs Insurance and handling costs Purchase price per unit Return on cash investment 20,800 5 $22 $7 $15 15% Requiredarrow_forward
- Demand for a popular athletic shoe is nearly constant at 1600 pairs per week for a regional division of a national retailer. The cost per pair is $64. It costs $75 to place an order, and annual holding costs are charged at 25% of the cost per unit. The lead time is 3 weeks. One year has 52 weeks.a. What is the Economic Order Quantity?b. What is the reorder point?c. What is the cycle time?d. What is the total annual cost?arrow_forwardSuppose that R&B Company has a soft drink product that shows a constant annual demand rate of 3600 cases. Ordering costs are $20 per order and holding costs are $0.77. Find the EOQ. Round to two decimal places. __________________ Find the order cost using the EOQ as the quantity. Round to two decimal places. _________________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
- ABC Inc. orders components for distribution at a monthly demand of 900 units. Holding costs are 15% of the unit cost of $23.75. The ordering cost is $47.35. The company operates 240 days per year a. If the company wishes to effectively procure these components, what would be the optional amount to order? [Select] b.. What is the average inventory? [Select] c. How many order cycles are there per year? [Select] d. What are the total cost of managing the inventory? $ [Select] e. What is the total cost, including the cost of the inventory? [Select ] f. What is ABC Inc. decided to order 600 components, what impact would it have on holding costs? [Select] >arrow_forwardYou are the operations manager of a firm that uses the continuous review (EOQ) system to control your inventory. Suppose the firm operates 52 weeks per year, 365 days, and has the following characteristics for its primary item: Demand = 25,000 units/year %3D Ordering Cost = $30/order Holding Cost = $8/unit/year Lead Time = 2 weeks Standard Deviation in weekly demand = 100 units %3D What is the economic order quantity for this item? Between 400 and 450 units O Between 450 and 500 units Fewer than 400 units O Greater than 500 unitsarrow_forwardThe annual demand for an item is 12 000 units. Ordering cost is $80 per order and carrying cost is 20% of the unit cost of $15. Calculate: The Economic order quantity Annual ordering cost Annual carrying cost Total annual costarrow_forward
- Stationery Supplies orders plastic erasers from a company in Nürnberg, Germany.It takes six weeks to ship the erasers from Germany to Utah. Stationery Suppliesmaintains a standing order of 200 erasers every six months (shipped on the first ofJanuary and the first of July).a. Assuming the ordering policy the store is using does not result in large buildupsof inventory or long-term stock-outs, what is the annual demand for erasers?b. Draw a graph of the pipeline inventory (that is, the inventory ordered but notreceived) of the erasers during one year. What is the average pipeline inventoryof erasers during the year?arrow_forwardA billiard ball maker must place orders for resin, a raw material for billiard balls. It uses resin at a rate of 120 kilograms each day, and incurs a cost of $0.4 per kilogram per day to hold inventory. The ordering cost is $150 per order. Lead time for delivery is 4 days. Assume 365 day in a year.What is the optimal length of the order cycle associated with the minimum total cost of ordering and inventory holding? [Round your final number with two decimals] 0.13 days 1.10 days 2.50 days 47.76 days None of the above PLEASE SHOW CALCULATIONS NOT JUST ANSWERarrow_forwardNelson’s Hardware Store stocks a 19.2 volt cordless drill that is a popular seller. Annual demand is 5,000 units, the ordering cost is $15, and the inventory holding cost is $4/unit/year.a. What is the economic order quantity?b. What is the total annual cost for this inventory item?arrow_forward
- Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage Learning