Why does Yandex have a market commission of only 1 percent from a purchase?

Question

Payment systems

How is this possible? After all, they charge up to 4 percent only for acquiring.

Answer 1

for acquiring they take less than 4 percent already a robbery.
Yandex charges 1 percent for a sale
Yandex charges 2 percent for making a payment Yandex charges
three percent
for advertising and so on