Minimum repayment amount = 100 for cash transactions, 10 for current consumption, 100 for installment, 100 for previous installment, all fees and interest. The minimum repayment amount of Industrial Bank Credit Card will not enjoy the interest-free period, but will accrue recurring interest. The specific interest calculation method is: starting from the recording date of each transaction, interest will be calculated at a daily interest rate of 0.5% until each debt is paid off. The minimum repayment interest calculation formula is: Minimum repayment amount = 100 for cash transactions, 10 for current consumption, 100 for installments, 100 for previous installments, all fees and interest.