If you don't have the money to work overtime, you can deduct the money at will, and you have to pay your salary every month, even if it is sent to the New Year. The key is to give a few discounts, especially for salesmen. The money was deducted by the supervisor and put into his pocket. The gift money you should give to customers is also in your pocket, so you can't do sales. Don't even think about getting a commission before 2008.