Gold, platinum, etc. It's all based on the price. The boss decides how much per gram and what to sell per gram is for the service staff. Diamond jadeite has a bottom line. If it is reached, there will be a certain commission. If it is exceeded, there will be more commission. For example, the reserve price is 2000, and the commission is 100. If it is 2500, the commission is 400, and so on.