Question 61 (1 point) Hinckley & Granger Company had the following activities, estimated indirect activity costs, and allocation bases. Activities Account inquiry (hours) Account billint (lines Account verification (accounts) Correspondence (letters Indirect Activity Costs $75,000 $45,000 $18,000 $40,000 Allocation Base 2,500 30,000 24,000 4,000 Hinckley & Granger uses activity-based costing The above activities are used by Departments and Q as follows: Department P Account inquiry Chours) Account billing (lines) Account verification (accounts) Correspondence (letteri) 30d 8,000 5,000 500 Department 600 6,000 4,500 600 What is the cost per driver unit for the account billing activity? $10.00 $1.50 $0.75 $7.50