An object of the present invention is to use the surplus of capacity on the day of the financial institution system, complements the transfer that is flowing through the net bank, etc., to achieve a revenue enhancement of financial institutions. A transfer fee discount system, and transfer capacity management unit that monitors the transfer execution unit of the processing capacity of the accounting system of financial institutions, and transfer reservation database that stores the transfer reservation number to be executed on the day a. Margin calculation unit of the transfer fee discount system is to predict on the basis of an immediate transfer number that now occur on the day of the statistics, and the sum of immediate transfer number that is expected to transfer reservation number, was obtained from the transfer capacity management part transfer by comparing the processing capacity of the execution unit, and calculates the current day of the reserve capacity of the capacity. If the reserve capacity of the processing power of the day that is calculated is determined to be greater than a predetermined threshold, the range of the calculated spare capacity to activate the discount for accepting a transfer of discounted transfer fee. [Selection Figure] Figure 1
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