How to disable paid ads in the game for android?

Question

Google

Hey! Guys, could you help me figure out how to disable paid ads in an android game?
The essence of the problem: I successfully created a small casual game, connected AdMob interstitial advertising there using the same plugin. But now you need to make a button, when you click on it, a paid disabling of advertising occurs.
I would be very grateful if you could help me not to offer Prime 31, it is very expensive.

Answer 1

You need in app purchases