Yes Gross profit margin of catering enterprises refers to the percentage of sales revenue after deducting direct costs. The price of dry goods is a part of the cost of dishes, including raw material cost, seasoning cost, labor cost and energy cost. Among them, raw material cost refers to the cost of ingredients, dry goods, spices, etc. Need to buy food. Therefore, when calculating the gross profit margin of catering, it is necessary to include the price of dry goods in the cost of dishes to ensure the accuracy of the calculation results.