Personal account management device and method for financial transaction

摘要

This invention relates to an apparatus for managing personal accounts. The apparatus comprises a database (C), a database-updating section (D). The a database (C) stores at least personal IDs allocated to individuals, respectively, payment data associated with each personal ID, receipt data associated with each personal ID, and rank data associated with each personal ID. The database-updating section (D) determines a rank for each personal ID, from the payment data and the receipt data, and records the rank as the rank data. The apparatus reliably determines the state of the financial transaction of each client, i.e., the receipt data and payment data about the transaction, correctly evaluates the contribution of the client, and provides special services to the client, by setting interests and charges that are as favorable as possible to the client.