Exercise 10-32 (Algo) Activity-Based Costing of Customers (LO 10-3, 4) Northwestern Bank (NB) offers only checking accounts. Customers can write checks and use a network of automated teller machines. NB earns revenue by investing the money deposited; currently, it averages 4.1 percent annually on its investments of those deposits. To compete with larger banks, NB pays depositors 0.3 percent on all deposits. A recent study classified the bank's annual operating costs into four activities. Activity Using ATM Visiting branch Processing transactions Managing functions Total overhead Cost Driver Number of uses Number of visits Number of transactions Total deposits Cost $ 1,936,800 1,900,800 8,521,920 7,321,600 $ 19,681,120 Driver Volume 3,228,000 uses 396,000 visits 129,120,000 transactions $ 615,035,000 in deposits Data on two representative customers follow: Emily Jacob ATM uses 40 130 Branch visits 5 Number of transactions Average deposit 200 45 520 $ 10,000 $ 10,000