How much is the annual interest of ICBC etc credit card 30 thousand?
5475 yuan. General credit card interest is calculated at 0.5 ‰ per day. According to the formula of interest = amount * interest rate * time, the daily interest of RMB 30,000 is RMB 30,000 * 0.05% = 15 yuan. Calculated by 365 days a year, the interest of 30,000 yuan on credit card loan is: 15 * 365 = 5475.