The manager of the OBrian Glass Company is planning the production of automobile windshields for the next

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The manager of the O€™Brian Glass Company is planning the production of automobile windshields for the next four months. The demand for the next four months is projected to be as shown in the following table.
The manager of the O€™Brian Glass Company is planning the

O€™Brian can normally produce 100 windshields in a month. This is done during regular production hours at a cost of $ 100 per windshield. If demand in any one month cannot be satisfied by regular production, the production manager has three other choices: (1) He can produce up to 50 more windshields per month in€ƒ
overtime but at a cost of $130 per windshield; (2) he can purchase a limited number of windshields from a friendly competitor for resale at a cost of $150 each (the maximum number of outside purchases over the four-month period is 450 windshields); or (3) he can fill the demand from his on-hand inventory. The inventory carrying cost is $10 per windshield per month. Back orders are not permitted. Inventory on hand at the beginning of month 1 is 40 windshields. Set up and solve this €œproduction smoothing€ problem as a transportation model to minimize cost. Hint: Set the various production options (e.g., regular production, outside purchase, etc.) as supply nodes and the monthly demands as the demand nodes.

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Managerial Decision Modeling With Spreadsheets

ISBN: 718

3rd Edition

Authors: Nagraj Balakrishnan, Barry Render, Jr. Ralph M. Stair

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