The minimum repayment of CITIC's credit card is ordinary card 10% and platinum card 5%.
If the minimum repayment amount is 10%, it is 300000 * 10% = 30000 yuan, and the minimum monthly repayment amount is 30000 yuan, which will generate daily interest of five ten thousandths of the remaining principal.
If the minimum repayment amount is 5%, then 300,000 * 5% =15,000 yuan, and the minimum monthly repayment amount is15,000 yuan, which will generate daily interest of five ten thousandths of the remaining principal.