How to calculate the class fee of Spark teachers in Dongguan?

A class has been settled. According to the inquiry of Spark Education, the courses of Spark Education in Dongguan include all subjects in high school, and the class types are divided into small classes, 10 students and one-on-one tutoring. A class 10 people need 100 to get to 300 yuan, and the one-on-one price in 500 yuan is 200-200 per class. One class is a class, and the class fee of teachers in Dongguan Spark is one class.