In the study, there will be many costs, such as equipment, hiring teachers. If students need to pay a little more, which is a problem for students with money, not so much.
The study will cost several such. School supplies to teachers if students have to pay a little more. This is a problem for students who have not much money.
In learning will cost many, such as teaching materials, teachers, which if students employ few will have to pay more. Which is a problem for students with money, not much.