There are three types of commission charges in the system: 1.Payment per sale: according to this commission type, a fixed sum is paid for each sale from 5$ to 100$. 2.Percent per sale: this type provides the commission payment from sale up to 100%. 3.Payment per action: a certain action is paid, e.g., filling out a form or an application. For each action a fixed commission sum is paid from $10 to $100.