Exercise 7-5 Product and Customer Profitability Analysis (L07-4, LO7-5) 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 $ 190 per order Custom design processing $ 257 per custom design Customer service $ 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 custon designs Direct labor-hours per glider Selling price per glider Direct materials cost per glider Standard Custom Model Design 13 3 2 3 0 3 28.50 31.00 $1,650 $2,360 $ 446 $ 572 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