Fran Ferry company had the following activities, pooled costs, and physical flow of diver units. The company uses activity-based costing. Activities Pooled costs Physical flow of driver units Account inquiry(hours) $200,000 5,000 hours Account billing (lines) $140,000 2,000,000 lines Account verification $5,000 20,000 accounts (accounts) Correspondence (letters) $25,000 2,000 letters The above activities are used by departments A and Bas: 1,000 200,000 2,000 100.000 Account inquiry hours) Account billing (lines) Account verification (accounts) Correspondence Kletters) 5,000 4,000 500 800 How much of the account billing cost will be assigned to Department B