There are many different types of POS machines in Lacarra. If it is a traditional POS machine, it supports the settlement of all enterprise accounts. Belongs to large and medium-sized businesses. The monthly credit card limit shall not be less than 35,000 yuan. At the same time, if it does not meet the relevant charging standards, then the monthly charge will be around 50 yuan. In Lacarra, the charging of POS machines will bring a better standard. The general store charge is 0.78%. If it is wholesale or social training or scenic spot tickets, the charges will be different, but the charges for catering and entertainment are 1.25%. In hotels, entertainment, jewelry or arts and crafts, and real estate, the car charge is about 1.25%~80%. The charging standard for people's livelihood is 0.38%, just like supermarkets, large storage shops or gas, transportation and air tickets. The charging standard for public welfare products is 0.38%, including public hospitals and public schools.