Assume a company's activity-based costing system includes three activities. The following information is available with respect to those activities: Estimated Overhead Activity Cost Pool Travel Cost $150,000 Deliveries $ 147,400 Customer service $220,000 Expected Activity 100,000 miles driven 2,200 customer deliveries 10,000 phone calls What is the activity rate for the Deliveries activity? $57 per delivery $67 per delivery $77 per delivery $87 per delivery