Description: bank collecting telephone charges a management system, the use of the entire document management fee information and contents are : C16 customer names, telephone numbers N11, F7.2 city calls, long-distance charges at F7.2. information fees F7.2, ADSL charges F7.2 total cost of F8.2 corresponds N6 years, state charges C (0-- outstanding, 1-- received), D charges date, bank account number N20. Provision charges were two names for the functions : (Note : all outputs to send monitors) monthly statistics on the total fees and day by day statistics charges; fees Refund processing and the corresponding documentation output; according to provide the names and telephone numbers of state and the fees and charges the cost breakdown, asked to name inserted sequentially sequencing (stable sort), the
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