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The company just completed a single order from Interstate Trucking for 1,000 custom seat cushions. The order was produced in two batches. Each seat cushion required 0.25 direct labor-hours. The selling price was $20 per unit, the direct materials cost was $8.50 per unit, and the direct labor cost was $6.00 per unit. This was Interstate Trucking's only order during the year. Required: Calculate the customer margin on sales to Interstate Trucking for the year. (Round your answers to 2 decimal places.)