I buy clothes in a building store. It needed about 1 cm in diameter and a hole of 6 mm.

It is my turn to say what is needed. I say 4 rubles. With them, I take a slice of bed for 50 kopecks... one in one... I think the slices start to produce. You take 50 kopecks, you drill a hole and 4 rubles... a simple cook.