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The decision variables are defined as follows: Wt: workforce size for montht,t=1,...,12Pt: number of units produced in montht,t=1,...,12It: inventory at end of the montht,t=1,...,12Ct: number of units subcontracted in montht,t=1,...,121. Assuming no new hires, no layoffs, and no overtime by the policy. No stock the month ending inventory cannot exceed25%of the demand in that month. 1.a. Formulate the total cost that the company is trying to minimize. Substitute data where applicable. (5 points) What are the constraints? (7 points)

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