Merriman Company provides the following ABC costing information:

Activities Total Costs Activity$-$cost drivers

Account inquiry hours $$400,00010,000$ hours

Account billing lines $$280,0004,000,000$ lines

Account verification accounts $$150,00040,000$ accounts

Correspondence letters $ $50,0004,000$ letters

Total costs $$880,000$

The above activities are used by Departments A and B as follows:

Department A Department B

Account inquiry hours $2,000$ hours $4,000$ hours

Account billing lines $400,000$ lines $200,000$ 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 A$?$

Question $4$ options:

$$160,000$

$$80,000$

$$400,000$

None of the above answers is correct.