You can choose to pay back in full or only part of the money.
3. If you repay in full, you don't need to pay any interest.
4. In case of partial repayment, the bank will generally stipulate the minimum repayment amount, and you need to pay at least this part.
5. Finally, it can involve interest, which is generally five ten thousandths of the daily interest, and compound interest is calculated on a monthly basis. Some banks also charge late fees, the proportion is not exactly the same.