1.
https://ekomora.ua/admin/shop/grid/product/ if we are talking about a block in viewing the product card on the site
2. We can write almost any price display logic. Check, for example, whether an employee is authorized on the site or not, and depending on this, choose which price to show. I just have to have a clear TK for this. For example:
here is a block (screen), here is a number (screen) it is taken from here (screen), but you need to take it from here (screen) if an employee is authorized on the site