By default, Sage 300 uses an item's standard cost to calculate inventory adjustments for standard cost items.
If you need to adjust inventory using the average (actual) cost (instead of the standard cost) when generating inventory worksheets, you must edit the IC.INI file before generating the inventory worksheets using the I/C Generate Inventory Worksheet screen.
Warning! If you are not sure whether to use average or standard cost for adjustments, do not change the default method. Consult your accountant.
To change the method for costing physical inventory adjustments:
The next time a user adjusts inventory using the I/C Generate Inventory Worksheet screen, the method you selected will be used.