Customer A Customer B Sales volume (units) 500 500 Price $20 $20 Total number of orders 7 10 Total number of technical support calls 23 Your variable cost per unit is $10. Using your ABC system, you determine that each order costs you $50 to process, and each technical support call costs you $20. What is the profit of Customer A? A $4,610 B $5,000 C) $10,000 D) $9,610