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 wit following activity cost pools and activity rates: Activity Cost Pool Activity Rate Supporting direct labor $ 22 per direct labor-hour Order processing $ 188 per order Custom design processing $ 252 per custom design Customer service $ 418 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 es Standard Model Custom Design Number of gliders 13 2 Number of orders 1 2 Number of custom designs 2 Direct labor-hours per glider 27.50 34.00 Selling price per glider $ 1,825 $ 2,430 Direct materials cost per glider $ 462 $ 586 The company's direct labor rate is $20 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