As we press Enter, the drug control software will show 2 fields: a description of the product, its sales price and the total amount; and also - a photo of the product (provided that it was uploaded in the nomenclature, as described above):
Now you can indicate the amount that the client gave us, see if you need to give him change or not.
After we make sure that we have the money, we can close the sale by pressing Enter. The next sale can be carried out.