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Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July through December. The company has gathered the following data: [10 marks] * No costs are incurred for unmet demand, Dur unmet demand (backorders) must be handled in the following period. If half or more of a worker is needed, round up. * No costs are incurred for unmet demand, but unmet demand (backordera) must be handled in the following period. If half or more of a worker is needed, round up. * Note that there is no holding cost for June. What will each of the two following strategies cost? i) Vary the workforce so that production meets demand. Chua had eight workers on board in June. ii) Vary overtime only and use a constant workforce of eight