Purchase price vs unit price

What is the difference between Purchase Price (Inventory Item) and Unit Price (Purchase Invoice)? Can I presume this is to determine CoGS? Are these amounts in the base currency? Thanks.

When creating inventory item, purchase price is used for autocomplete purposes only. You don’t need to set purchase price on inventory item. It’s just data-entry aid, there are no implications in general ledger.

Unit price on purchase invoice is used to determine CoGS when inventory item is eventually sold to customer.

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