Stephen Gonzales, Amandeep Tamber, Ross Nakata, Jonathan Gutierrez. No Backlogging Problem # 1(pg.104) October 20,2011. Outline. Problem Statement Problem Summary Assumptions Formulation Constraints Input Values Solutions Sensitivity Analysis Report to Manager . Problem Statement.
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A customer requires during the next four months, respectively, 50, 65, 100, and 70 units of a commodity (no backlogging is allowed). Production costs are $5, $8, $4, and $7 per unit during these months. The storage cost from one month to the next is $2 per unit (assessed on ending inventory). It is estimated that each unit on hand at the end of month 4 could be sold for $6. Formulate an LP that will minimize the net cost incurred in meeting the demands of the next four months.
Z = 5x1+8x2+4x3+7x4+2i1+2i2+2i3-6i4
For month 2: