70%-80%。 The more clothes the dry cleaners clean, the more profits they get. The price charged by brand dry cleaners in the market is generally in 20 yuan, and the average washing cost is less than that in 2 yuan. If you run a small dry cleaner, there are not many customers every day. Suppose there are 30 customers every day, and each customer washes 2 clothes at a time 10 yuan, then there will be 600 yuan's income one day, and it will be/a month.