How normal is the gross profit margin of the catering industry?

69.35%。 According to the inquiry of China accounting net, the calculation method of gross profit rate is: the "food cost" of general catering industry is 20%-30% (with the average food cost of 25%), and the catering business tax is 5.65%, that is, gross profit rate = total turnover (100%)- food cost (25%)- business tax (5.65%) =