Dear ~ Hello! The gross profit margin of trading enterprises after wholesale tax 15%-20% is reasonable. It is reasonable that the gross profit margin of retail enterprises after wholesale tax is around 45%. These are for reference only, and the actual operation of each trading enterprise is different. Their gross profit margins are different. Second, the trading company's sales gross profit margin and the pricing method of goods (sales gross profit margin = (sales revenue-operating cost)/sales revenue * 100% cost gross profit margin = (sales revenue-operating cost)/operating cost * 100% business calculation of positive increase, but gross profit, cost and decline. Back-off is often used now. If you want to explain it clearly, you might as well give an example to illustrate it. Gross profit = (selling price-cost)/selling price of a commodity A, cost 80 yuan, selling price 100 yuan, gross profit = (100-80)/100 = 20% supplier A, supplied to retailers. If the selling price is set at 100 yuan, the supply price is 80 yuan. 2. Supplier A supplies commodity A at cost price, and the supply price is 80. If the retailer sets the selling price at 25%, the selling price is = 80 * 125% = 100 yuan. Gross profit is still 20%, which is the percentage of gross profit in sales revenue. Gross profit is the difference between sales revenue and sales cost. The calculation formula is as follows: gross sales margin = sales revenue, sales cost/sales revenue 1. Settlement refers to the calculation and distribution of trading margin, profit and loss, hand 1 renewal fee, delivery payment and other related funds of members according to the trading results and relevant regulations of the exchange. Settlement includes exchange settlement for members and futures brokerage settlement for members and customers. The calculation results will be credited to the customer's margin account. 2. Markup rate = sales price excluding tax-purchase price excluding tax/purchase price excluding tax multiplied by 100%. Shunjia: the purchase price multiplied by (1+ markup rate offset: the purchase price /( 1- markup rate) or: the purchase price multiplied by the offset coefficient of 3. Batch settlement: 1.