Although the BackPack Company has always used a level aggregate plan, Tameka is interested in evaluating chase aggregate plans also. She has asked you to calculate how many hires and fires would be necessary to adjust capacity to meet demand exactly each period. If necessary, incur some undertime. Calculate the number of workers needed each period.

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Problem Data Cost data Regular-time labor cost per hour Overtime time labor cost per hour Subcontracting cost per unit (labor only) Holding cost per unit per period Back-order cost per unit per period Hiring cost per employee Firing cost per employee Capacity data Beginning workforce Beginning inventory $12.00 $16.00 $75.00 $8.00 $15.00 $500.00 $350.00 210 400