Everbright Bank can handle two credit cards. Everbright Bank does not limit the number of customer service applications for credit cards, but the quota is shared. For example, the credit line of A card is 6,543,800 yuan, the total credit line of B card is 6,543,800 yuan, the use of A card is 654.38 yuan+00000 yuan, and the remaining credit line of B card is 90,000 yuan.