Yoga classes in small classes are usually about 3-6 people, and the effect is really better than that in large classes. In third-tier cities, if the package is quoted, on average, the price of small classes within 50 yuan is not bad. Within 300 yuan, I feel the price is OK. Economically, the cost should be acceptable within 8500.
But I'm just guessing. What city, the teaching level of teachers, if all these are counted, this is not easy to evaluate. However, it is suggested that you should not report private education without knowing the teacher's level, and then decide after knowing the teacher.
As for the environment and yoga, I don't think the environment is that important.