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 $20 per direct labor-hour $ 192 per order $ 261 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: Number of gliders Number of orders Number of custom designe Direct labor-hours per glider Standard Model Custon Design 14 O 28.50 $1,925 32.00 $2,450 $ 400 $ 576 Selling price per glider 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