Only the newly opened card head is 4 months, and there is a 15% discount every Friday. Old users can enjoy a 5% discount on the following month only if they spend over 2000 yuan at the designated place. Enjoy up to 4 times a month, each time not exceeding 500 yuan, and there is no discount for the excess. Platinum cards get a 10% discount every Friday, but the annual fee is more than 1 1,000 yuan. The weekly discount does not exceed 50 yuan, and the monthly discount does not exceed 1000 yuan. The discount is calculated according to the first oil fee every Friday.