Question

The operations vice president of security home bank has been interested in investigating the efficiency of the bank’s operations. She has been particularly concerned about the costs of handling routine transactions at the bank and would like to compare these costs at the bank’s various branches. If the branches with the most efficient operations can be identified, their methods can be studied and then replicated elsewhere. While the bank maintains meticulous records of wages and other costs, there has been no attempt thus far to show how those costs are related to the various services provided by the bank. The operations vice president has asked your help in conducting an activity-based costing study of bank operations. In particular, she would like to know the cost of opening an account, the cost of processing deposits and withdrawals, and the cost of processing other customer transactions.

Answer 1

The costing study of bank operation goes thus:

Opening accounts:

Distribution of Resource Amount Percentage Amount

Teller wages $160,000 x 5% = $8,000

Asst. branch manager salary $75,000 x 15% = $11,250

Branch manager salary $80,000 x 5% = $4,000

Total $23,250

Activity rate of opening accounts = Total cost of opening accounts / new accounts opened

Activity rate = $23,250 / 500 = $46.50 per new account

Processing deposits and withdrawals:

Distribution of Resource Amount Percentage Amount

Teller wages $160,000 x 65% = $104,000

Asst. branch manager salary $75,000 x 5% = $3,750

Branch manager salary $80,000 x 0% = $0

Total $107,750

Activity rate of opening accounts = Total cost of processing deposits and withdrawals / deposits and withdrawals processed

Activity rate = $107,750 / 100,000 = $1.08 per deposit and withdrawal processed

Processing other customer transactions:

Distribution of Resource Amount Percentage Amount

Teller wages $160,000 x 20% = $32,000

Asst. branch manager salary $75,000 x 30% = $22,500

Branch manager salary $80,000 x 10% = $8,000

Total $62,500

Activity rate of opening accounts = Total cost of processing other customer transactions / other customer transactions processed

Activity rate = $62,500 / 5,000 = $12.50 per other customer transactions processed

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