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:

$\backslash$table$[[$Activity Cost Pool,Activity Measure,Activity Rate,$],[$Supporting direct labor,Number of direct labor$-$hours,$$,12$ per direct labor$-$hour$],[$Batch processing,Number of batches,$$,96$ per batch$],[$Order processing,Number of orders,$$286$ per order,$],[$Customer service,Number of customers,$$2,620$ per customer,$]]$

The company just completed a single order from Interstate Trucking for $2,300$ custom seat cushions. The order was produced in two batches. Each seat cushion required $0\mathrm{.}6$ direct labor$-$hours. The selling price was $$142\mathrm{.}30$ per unit, the direct materials cost was $$104$ per unit, and the direct labor cost was $$14\mathrm{.}90$ 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.

$\backslash$table$[[$Interstate Trucking,$],[,,],[$Customer Margin$-$ABC Analysis:,,$],[,,],[,,],[,,],[,,],[,,],[,,],[,,],[$Customer margin,,$