There is no standard, depending on the specific customers and quantity, generally 3-5 points are almost the same.

As long as there is business, there will always be some collusion, especially in the early stage of purchasing this kind of catering. Like the entertainment circle, the catering industry also has its own "hidden rules", that is, taking kickbacks.

Although the hidden rules of the catering industry are not as "dirty" and easy to arouse public anger as the entertainment industry, for the operators of the catering industry, it is sometimes related to the life and death of a restaurant.