METHOD AND SYSTEM FOR MANAGING PAYMENT BASED ON EXPECTED AMOUNT OF SERVICE

摘要

A payment management method and a payment management system are provided based on an expected service amount. The present invention can provide a service when the expected service amount can be paid by determining the service expected amount before performing the service and pre-approving the service expected amount with a payment method registered by the user. Through this process, it is possible to reduce the occurrence of accounts receivable after the service has been performed.