If you need to change the cost of an item after it is received, this can be done in the Inventory Control menu. From the classic view, click on Inventory Control, then go to Misc. -- Adjust tag cost by P/O. If you are using the Command Bar view: from the Inventory Control tab, click Misc. then go to Change Cost -- Adjust tag cost by P/O.
Once in the Adjust tag cost by P/O screen. Select type of PO, enter affected P.O. number, enter and select appropriate information to make the desired adjustments.