If you just spend all these lines, and you don't say it's overdue, then we don't need interest and other expenses first, and the available lines should be restored to 3000 yuan.

If cash is withdrawn, or all the arrears are not paid off after the repayment date, the interest on the remaining arrears will be calculated from the date of swiping the card, and the daily interest rate will be 0.5 ‰; If the "minimum repayment amount" on the bill is not paid, there will be a late payment fee of 5%, and the arrears will increase by at least 6.5% after each billing cycle, doubling every year.

Finally, when you say "credit card", do you mean cash withdrawal or credit card consumption? Cash withdrawal is generally half of the available amount, and credit card consumption is available.

You can check the details in online banking or call customer service. We can only help you guess.