Emarpy Appliances produces all kinds of major appliances. Richard Feehan, the president of Emarpy, is concerned about the production policy for the company’s best-selling refrigerator. The demand for this has been relatively constant at 8,000 units per year. The production capacity for this product is 200 units per day. Each time production begins, it costs the company $120 to move materials into place, reset the assembly line and clean the equipment. The holding cost of a refrigerator is $50 per unit per year. The current total inventory cost for the production plan Emarpy is using is $10,800 (currently the company makes 400 refrigerators each time production is run). Assume there are 250 working days per year. Question 2: Suppose that Feehan finds out that he can purchase the same refrigerator from an external supplier for $200 each, where the order cost is $120 and the holding cost is still $50 per unit per year. If no stockouts are allowed and no discounts offered, what would be the optimal order quantity for Emarpy and what is the total inventory cost?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Emarpy Appliances produces all kinds of major appliances. Richard Feehan, the president of Emarpy, is concerned about the production policy for the company’s best-selling refrigerator. The demand for this has been relatively constant at 8,000 units per year. The production capacity for this product is 200 units per day. Each time production begins, it costs the company $120 to move materials into place, reset the assembly line and clean the equipment. The holding cost of a refrigerator is $50 per unit per year. The current total inventory cost for the production plan Emarpy is using is $10,800 (currently the company makes 400 refrigerators each time production is run). Assume there are 250 working days per year.

Question 2: Suppose that Feehan finds out that he can purchase the same refrigerator from an external supplier for $200 each, where the order cost is $120 and the holding cost is still $50 per unit per year. If no stockouts are allowed and no discounts offered, what would be the optimal order quantity for Emarpy and what is the total inventory cost?   Show all work and illustrate your policy with a diagram.

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