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: Activity Cost Pool Supporting direct labor Batch processing Order processing Customer service Activity Measure Activity Rate Number of direct labor-hours Number of batches Number of orders Number of customers $10 per direct labor-hour 94 per batch $272 per order $ 2,617 per customer The company just completed a single order from Interstate Trucking for 2,200 custom seat cushions. The order was produced in five batches. Each seat cushion required 0.4 direct labor-hours. The selling price was $141.40 per unit, the direct materials cost was $102 per unit, and the direct labor cost was $14.20 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