Foam Products, Incorporated, 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 Number of direct labor-hours Number of batches Number of orders Number of customers Activity Rate $14 per direct labor-hour $88 per batch $282 per order $2,629 per customer The company just completed a single order from Interstate Trucking for 1,500 custom seat cushions. The order was produced in three 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 $13.80 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