Under normal circumstances, the cost of a hamburger is 2-3 yuan, and the cost of adding some meat is about 4-6 yuan, which is sold to 15-20. You can know that this is a huge profit.

Some people eat it because there are many people, and all kinds of people have different tastes and tastes. Many children eat it because they have seen many advertisements, and their brains have been implanted with this idea. They want to eat it and try it!