Thermal Rising, Inc, 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 $20 per direct labor-hour Order processing $184 per order Custom design processing $ 261 per custom design Customer service $ 426 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: Number of gliders Number of orders Number of custom designs Direct labor-hours per glider Selling price per glider Direct materials cost per glider Standard Custom Model Design 12 2 2 2 @ 2 28.50 32.00 $1,900 $2,420 $ 450 $ 570 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