If the typical month-to-month salary is 400,000 won for two-hour sessions twice a week, the hourly wage comes out to about 25,000 won. https://norimap.com/%EC%97%AC%EC%84%B1%EC%9D%84-%EC%9C%84%ED%95%9C-%EC%A3%BC%EB%B0%A9%EC%95%8C%EB%B0%94-%EA%B8%B0%ED%9A%8C%EC%99%80-%EA%B0%80%EB%8A%A5%EC%84%B1%EC%9D%B4-%EB%AC%B4%ED%95%9C%ED%95%98%EB%8B%A4/