With Price types you can have a separate product price for different cases. For example, you can set different prices for the same product for different departments, or different customers.
The Price types menu is here Registries → Price types.
By default you have two price types - Main and Sale. To change the Price type open its document, and change the fields you need. Then click the Save button .
To create new Price type click on the Create button , and fill all the required fields, that are marked with red stars. Then click the Create button . New Price type will be created.