,,|Calibration, previous mmr 5600, mainpool, 5k behavior, Sale, 5600 mmr, 5000 Behavior score,,,N235

Payment fee is collected to pay for service related to the product, which is a standard practice in eCommerce and other industries.

In detail, it is applied to cover services rendered to the consumer as well as administrative or processing costs, such as payment processing fee and 24/7 customer support.