Monetary funds can be divided into Class A and Class B according to the size limit of participating funds. Class A is for small and medium investors, and Class B is for institutions and large investors. The minimum subscription limit of class A monetary funds is generally 1 1,000, and that of class B is 5 million. Their sales service rates are also different. For example, the annual sales service rate of Haifutong currency classification is 0.25%; The B-year sales service rate of Haifutong Currency is 0.0 1%.