As we know, the Stock Settings of an item in Erpnext allow the selection of the FIFO, LIFO, or Moving Average value technique. Let’s imagine I have the same medication (for example, paracetamol) in stock on various days and I wish to record these values individually because their price changes periodically. and, in order to reduce the amount of the first (old) paracetamol during stock out, I use the FIFO valuation approach (sale to customer). As a result, the quantity is now zero, and I will no longer be using this data. Therefore, according to database rules, what should be done to prevent this form of data redundancy