First you need to enable the price accounting functionality in the settings (Main menu - More - Settings - Product accounting parameters - Accounting for prices of goods/services).
Product prices can be set in several ways:
1) Setting prices in the product card;
2) Prices for goods are assigned by a price adjustment transaction, a separate price adjustment is performed for each type of price. (Main menu - Prices - Price adjustments (list) - New price adjustment);
3) When specifying a price type in any goods distribution transaction (for example, sales) and setting the “Update prices” toggle button, prices will be set by this transaction.
In order for prices to be visible in the product catalog, you need to click on the upper right corner in the list of products - Price visibility. Add the desired price types to the list.