Take ICBC's credit card installment interest as an example. It is calculated by .9% in three installments, 1.8% in six installments and 2.7% in nine installments. The daily interest rate is .25%-.95%/ day, so the credit card installment interest is low.

interest refers to the use fee of money in a certain period of time, which refers to the remuneration that money holders get from borrowers for lending money or monetary capital, including deposit interest, loan interest and interest incurred by various bonds.