(a) Calculate the aggregate production rate. - (b) Calculate the appropriate workforce given the aggregate production rate. (c) Show what would happen if this plan were implemented. (d) Calculate the costs of this plan. (e) Evaluate the plan in terms of cost, customer service, operations, and human resources. Cost data Regular-time labor cost per hour $12.00 Overtime labor cost per hour $16.00 Subcontracting cost per unit (labor only) $78.00 Holding cost per unit per period $9.00 Back-order cost per unit per period $16.00 Hiring cost per employee $500.00 Firing cost per employee $350.00 Capacity data Beginning workforce 187 employees Beginning inventory 400 units Labor standard per unit 6 hours Regular time available per period 180 hours Overtime available per period 30 hours Subcontracting maximum per period 1,000 units Subcontracting minimum per period 500 units Demand data Period 1 5,600 units Period 2 4,700 units Period 3 7,600 units Period 4 5,800 units Period 5 6,400 units Period 6 3,900 units