Assume a company's activity-based costing system includes three activities with the following activity rates: a Activity Cost Pool Travel Deliveries Customer service Activity Rate $ 2 per mile driven $ 50 per delivery $ 22 per phone call Two of the company's many customers include Customer A and Customer B. These two customers consumed the company's activities as follows: Total Expected Activity Customer A Customer B Travel (number of miles driven) 300 250 Deliveries (number of deliveries) 15 5 Customer service (number of phone calls) 20 12 If the company earned $2,300 in revenue serving Customer A, then what is the customer margin for this customer? Multiple Choice $610 $580 $510 $680