The person in charge of a restaurant said: At present, our commission on a certain group has risen to 20%. This means that we received an order of 100 yuan on the platform and had to give it to 20 yuan.
The order of 100 yuan is given to Platform 20 yuan, which means that the actual income is only about 80 yuan. Then remove: store rent, labor, water and electricity, raw materials and other costs, we can hardly make much money, and sometimes even lose money.