Foam Products, Incorporated. makes ioarn seat Cushions for the automotive and aerospace industries. The company's activity-based casting system has fOur activity cost pools. which are listed below along with their activity measures arid actlvity rates: Activity Cost Pool _, Activity Pleasure Activity lime ,_._ SUPPOI'ting direct labor Number of direct tabarhuurs s 11 per direct tallerhour Batch processing Number at batches S 91 per batch Order processing Number of orders 5 289 per order Customer service timber of customers $ 2,633 per customer The company just completed a single order from Interstate Trucking tor 2.500 custom seat cushions. The order was produced in three batches. Each seat cushion required 03 direct tabor-hour. The selling price was $141.20 per uhit. the direct materials cost was $103 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 for Interstate Trucking. Customer margin