First of all, 50,949,60 is divided into monthly installments, totaling 56,940, that is, five years, your interest is 6,940, the annual interest is 1 388, and the annual interest rate is 2.776%, which is impossible. The minimum annual interest rate of credit card loans will not be lower than 6%, so the 1. 3. 98% you mentioned may be the annual interest rate, and the loan has no annual interest rate now. . . Unless the bank has any preferential loan activities, it will generally not be less than 3%. What you said about the formal way of annual interest rate is absolutely untenable.