How elma çayı can be an expense? You should clarify what you’re trying to do. If you mean to track utility payments like gas, electricity, water, etc… and you want to track them separately you need to create separate accounts for each item in your account plan. If you mean to track inventory purchases a purchase is not an expense. What you pay to supplier is an expense so you also need to track that through supplier accounts. You can map inventory transaction documents to supplier entities and update their account automatically when you purchase an item…
Here we have a related tutorial.