According to Caiti's inquiry. The annual interest of convenience card 100000 is 8742.438+0 yuan. This is calculated according to the loan interest of the rural credit cooperative Fuxiang Convenience Card, with an annual interest rate of 8.74 1%. The calculation formula of interest is: principal × annual interest rate = interest. So 65438+ million times 8.742 1% equals 8742. 1 yuan. Convenience card is a multifunctional bank card, which not only has the basic functions of credit card consumption, settlement and cash advance, but also provides a series of convenience services. The specific functions and handling conditions of convenience cards are different according to the regulations of different banks and regions. For example, the Fujian Traffic Convenience Card launched by Fujian Branch of China Postal Savings Bank is issued to private car owners, which not only provides the basic functions of credit cards, but also provides personalized value-added services such as high-speed ETC, refueling and car washing. In addition, convenience cards can also refer to cards used for the management and service of floating population. This card records the cardholder's name, number, contact number and other personal information, which is valid in a certain area and convenient for management and service.