Orozco Enterprises makes a variety of products that it sells to other businesses. The companys activity-based costing system has four activity cost pools for assigning costs to products and customers. Details concerning that activity-based costing system are listed below:

Activity Cost Pool	Activity Measure	Activity Rate
Supporting assembly	Direct labor-hours (DLHs)	$ 5.20	per DLH
Processing batches	Number of batches	$ 107.55	per batch
Processing orders	Number of orders	$ 88.75	per order
Serving customers	Number of customers	$ 1,793.00	per customer

The cost of serving customers, $1,793.00 per customer, is the cost of serving a customer for one year. Ellyson Corporation buys only one of the companys products. The details of last years purchases of this product are listed below:

Number of units purchased	900	units
Number of batches	8	batches
Number of orders	2	orders
Direct labor-hour requirement	0.25	DLHs per unit
Selling price	$ 16.30	per unit
Direct materials cost	$ 6.60	per unit
Direct labor cost	$ 5.00	per unit

Required: What is the customer margin on sales to Ellyson Corporation for the year?