calculated on a monthly basis: daily raw material expenditure (rice 51 cents+vegetable money 2.5 cents+packaging 5 cents+rice oil and salt 5 cents) = maximum unit price 5 yuan cost. Retail price (9-5)* number of copies per day *31- fixed monthly expenses = your profit? Looking back, you can figure out how much you have to give every day to make money. I hope it helps you. I also focus on takeout 461725286q Q.