Bitrix price depending on quantity?

Question

1C-Bitrix

Tell me how to implement in Bitrix so that the price of the goods changes depending on the quantity added to the cart?
for example, 1 lamp costs - 100 rubles;
when buying 2 lamps, the price of one is 95 rubles
; when buying 5 lamps, the price of one is 80 rubles, and so on.
Such logic is implemented on sites like Alliexpress or Alibaba
Plus, we have synchronization with 1C set up. The enterprise uploads goods, balances and prices from 1C

Answer 1

"- Everything is already coded before us!
- Everything is already coded, before us...
- Hehe!"