PZC Company had the following activities, traceable costs, and physical flow of driver units: Physical Flow of Activities Costs Driver Units Account inquiry (hours) $400,000 10,000 hours Account billing (lines) 280,000 4,000,000 lines Account verification (accounts) 150,000 40,000 accounts Correspondence (letters) 50,000 4,000 letters The above activities are used by departments A and B as follows: Account inquiry (hours) Account billing (lines) A 2,000 hours 400,000 lines B 4,000 hours 200,000 lines Account verification (accounts) 10,000 accounts 8,000 accounts Correspondence (letters) 1,000 letters 1,600 letters How much of the account inquiry cost will be assigned to Department B? O none of the choices O $400,000 $80,000 $160,000