If you receive raw materials and match invoices to them in the current period, Periodic Costing calculates the unit cost at the invoice price, deducting recoverable taxes and including logistics expenses. When the receipt date is within the current period, the system also assigns AP rate variance to the PO receipt cost for each calculation.
In countries other than Brazil, supplier invoices may not be received before periodic cost calculations take place. In this case, the system calculates costs based on the PO prices at PO receipt for the inventory valuation.
Periodic Costing functionality does not prohibit you from calculating the periodic cost before supplier invoices have been received. You can verify this through reports.