Answer Happy

Aggregate demand for a product family is given in the table below for the upcoming 4 months. Workers are paid $2900 per month and can be hired or fired at the beginning of a month: Hiring costs are $180 per worker hired and firing costs are $340 per worker fired. Each worker produces 50 units per month. The inventory cost is $1 per unit per month. When necessary, units can be subcontracted at a cost of $25 per unit. Number Number Number Units Month Demand Subcontract Inventory workers Hired fired produced 4 600 1 600 9 ? ? ? ? ? 2 500 5 5 ? ? ? ? ? 3 800 5 ? ? ? ? ? 4 700 5 ? ? ? ? ? The above table gives the planned number of workers in each month. The number of workers and the ending inventory in the previous month are also given. Compute the total annual cost of meeting demand for the upcoming four months.