Assuming that the fixed consumption limit of the card is 20,000 yuan, and there is no other consumption, the installment of 5,000 yuan will be handled. This installment requires a consumption quota of 5,000 yuan, and the remaining consumption quota is 1.5 million, which can be used by credit card after processing. The consumption limit of 5,000 yuan that has been used in stages will be released dynamically according to the cardholder's repayment and card use, that is, the credit card can be used to swipe the card and will be restored to1.50,000-20,000.