How to charge for Hui Ling foster care center?

600- 1000 yuan. According to the students' abilities, the dormitories in Hui Ling foster care center are divided into: A dormitory 600 yuan/month -800 yuan/month, and B dormitory 1000 yuan/month. Hui Ling foster care center is a non-governmental, non-profit grass-roots organization, established in 1990, which aims to help people with mental retardation and make them have wisdom and love.