Assume a companys 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 Two of the companys many customers include Customer A and Customer B. These two customers consumed the companys 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 $1,130 in revenue serving Customer B, then what is the customer margin for this customer? Multiple Choice $96 $156 $116 $136