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An electronics manufacturer makes video security systems for parking lots. The "Clear-Shot" is a system that provides 3-D graphic images of the parking lot. Operations manager of the company obtained forecasted demand for "Clear-Shot" and available capacity (in units) they have (shown below) to develope a four-month aggregate plan for manufaturing. The cost of producing each unit is $875 on regular time, $1,310 on overtime, and $1,500 on a subcontract. Inventory carrying cost is $100 per unit per month. There is to be no beginning or ending inventory and backorders are not permitted. Minimizing cost when allocating resources to meet demand using the transportation method, such that the optimal cost of the plan is =$ (enter your response as a whole number)