Foam Products, Inc., makes foam seat cushions for the automotive and aerospace industries. The company's activity-based costing system has four activity cost pools, which are listed below along with their activity measures and activity rates: The company just completed a single order from Interstate Trucking for 2,600 custom seat cushions. The order was produced in four batches. Each seat cushion required 0.4 direct labor-hours. The selling price was $141.70 per unit, the direct materials cost was $108 per unit, and the direct labor cost was $14.60 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