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Solution: If the case when invoice for additional expense is received after the sale has happened occurs during the same month the cost will be allocated according during the month end closing when you enable cost calculation option:
But when it comes to the end/beginning of the month , the additional expenses will not be allocated automatically, and the cost will be remaining on the item's balance:
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- the additional cost is included in the Average Cost Price of the item and will be deducted accordingly from the next sales
- the manual correction using Inventory Write off documents (the case is used when you do not plan to purchase this item anymore)
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