Of course not! You have a quota of 3000, and you have brushed 2700, so your available quota is only 300;

Even if the available amount of your card is 3000, the maximum installment amount is 3000, and it is impossible to installment 5000;

Because the installment amount is frozen by the bank at one time, it occupies the credit line of the card and can be repaid to the bank in installments;