Thermal Rising, Incorporated, makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes custom-designed paragliders. Management has designed an activity-based costing system with the following activity cost pools and activity rates: Activity Cost Pool Activity Rate Supporting direct labor $ 18 per direct labor-hour Order processing $ 186 per order Custom design processing $ 253 per custom design $ 420 per customer Customer service Management would like an analysis of the profitability of a particular customer, Big Sky Outfitters, which has ordered the following products over the last 12 months: Number of gliders Number of orders Number of custom designs Direct labor-hours per glider Selling price per glider Standard Model Custom Design 16 3 2 3 0 28.50 $ 1,800 3 33.00 $ 2,410 $ 454 $ 568 Direct materials cost per glider The company's direct labor rate is $18 per hour. Required: Using the company's activity-based costing system, compute the customer margin of Big Sky Outfitters. (Round your intermediate calculations and final answer to the nearest whole dollar amount. Loss amounts should be entered with a minus sign.) Customer margin