Dickerson Corporation Had the Following Activities, Traceable Costs, and Physical

Dickerson Corporation had the following activities, traceable costs, and physical flow of driver units: $\begin{array}{llll}&\text { Traceable }&\text { Physical Flow of }\\\text { Activities }&\text { Costs }&\text { DriverUnits }\\\hline\text { Account inquiry (hours) } & \$ 8,000 & 500 \text { hours } \\\text { Account billing(lines) } & 8,000 & 200,000 \text { lines } \\\text { Account verification (accounts) } & 3,000 & 2,000 \text { accounts } \\\text { Correspondence (letters) } & 1,000 & 200 \text { letters }\end{array}$ The above activities are used by departments A and B as follows: $\begin{array}{lll}&A&B\\\text { Account inquiry (hours) } & 50 \quad \text { hours } & 80 \text { hours } \\\text { Account billing (lines) } & 25,000 \text { lines } & 20,000 \text { lines } \\\text { Account verification (accounts) } & 200 \text { contracts } & 100 \text { contracts } \\\text { Correspondence (letters) } & 20 \quad \text { letters } & 100 \text { letters }\end{array}$ The cost per driver unit for the account billing activity is:

A) $5.00
B) $16.00
C) $1.50
D) $0.04