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 Supporting direct labor Order processing Custom design processing Customer service Activity Rate $ 16 per direct labor-hour $ 186 per order $ 259 per custom design $ 428 per customer 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: 15 Standard Model Custom Design Number of gliders 2 Number of orders 1 2 Number of custom designs 0 2 Direct labor-hours per glider 28.50 31.00 Selling price per glider $ 1,800 $ 2, 410 Direct materials cost per glider $ 460 $ 580 The company's direct labor rate is $22 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