In 2021, the food industry's revenue was 9.14 trillion yuan; an increase of 11.48% year-on-year. Profit totaled 618.7 billion yuan; a year-on-year decline of 0.31%. Losses of industry loss-making enterprises amounted to 57.8 billion yuan, an increase of 40.97% over the previous year.
Cost margin = total profit ÷ cost of sales × 100%, sales margin = total profit ÷ sales revenue × 100%.