It depends on whether you are a big class or a small class. Small class is about one hour in 50 yuan. It's hard to say how many people there are in the big class. I was six people, one month 160. If you are just starting to learn, it is best to have a small class, because it is one-on-one, and you can learn more solidly. You can go to a large class in almost the fifth grade, so you can make faster progress by comparison. I studied with Teacher Sun in Gezhouba Youth Palace. I heard that he is the best teacher in Yichang, where I went to a large class.