Assume a company's activity-based costing system Includes three activities. The following information is available with respect to those activities: Activity Cost Pool Travel Estimated Overhead Cost 150,000 Expected Activity 100,000 miles driven 2,200 customer deliveries 10.000 phone calls Deliveries $ 132,000 Customer service $ 220,000 What is the activity rate for the Deliveries activity? $50 per delivery $60 per delivery $70 per delivery $80 per delivery