Costs of education

NAC said. He works in a computer company, is worn on the customers, sets, sets, and so on. He came, therefore, to the customer, who turned out to be a dentist. And exactly at the same time declare a new Russian dentist with little son. Well, the doctor sat the boy, asked to open his mouth. Barely started examination, and then to the small-ah-ah-ah-ah-to yell voice not his own! Doctor:
 - What, already sick ?!
Child:
No.
Doctor:
 - What yelling something?
Child:
 - WHERE TO HAND suesh in kind ?!