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 $ 16 per direct labor-hour Order processing $ 188 per order Custom design processing $268 per custon design Customer service $ 430 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 1 2 0 2 29.50 31.00 $1,600 $2,350 $ 460 $ 586 The company's direct labor rate is $16 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