The LeVitre and Swezey Credit Union maintains separate bank accounts for each of

Question

The LeVitre and Swezey Credit Union maintains separate bank accounts for each of its 20,000 customers. Three major les are the customer master le, the transaction le of deposits and withdrawal information, and a monthly statement le that shows a customer’s transaction history for the previous month. The following lists the bank’s most important activities during a representative month:

a. Customers make deposits and withdrawals.

b. Employers make automatic deposits on behalf of selected employees.

c. The bank updates its master le daily using the transaction le.

d. The bank creates monthly statements for its customers, using both the customer master le and the transactions le.

e. Bank personnel answer customer questions concerning their deposits, withdrawals, or account balances.

Draw a data flow diagram that graphically describes these activities.

Explanation / Answer

The LeVitre and Swezey Credit Union maintains separate bank accounts for each of

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