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 Supporting direct labor Order processing Custom design processing Customer service Activity Rate $ 18 per direct labor-hour $ 194 per order $ 253 per custom design $ 436 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: Standard Custom Number of gliders Number of orders Number of custom designs Model Design 12 2 1 2 27.50 32.00 Direct labor-hours per glider Selling price per glider Direct materials cost per glider $1,700 $2,370 444 $ 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