44 Assume a company's activity-based costing system includes three activities with the following activity rates: Activity Cost Pool Activity Rate Travel $ 2 per mile driven Deliveries $ 50 per delivery Customer service $ 22 per phone call 800.50.56 Two of the company's many customers include Customer A and Customer B. These two customers consumed the company's activities as follows: Travel (number of miles driven) Deliveries (number of deliveries) Customer service number of phone calls) Total Expected Activity Customer A Customer B 380 250 15 5 20 12 If the company earned $2,010 in revenue serving Customer A, then what is the customer margin for this customer? Multiple Choice $220 $320 $390 $290