Only applies if the variation is more that, say 5%. Less that 5% can just be Processed normally, with the variation going to 'Delivery Docket Variations' in the GL.
In this example, the $128.10 would go to AY51215, the value of the stock would not be changed.
BUT, when we need to modify the Purchase Order the process is:-
Reverse the Delivery Docket, 'Undo DD'.
Open the Purchase Order in :-
You can now complete the entry on the suppliers invoice via:
Now there is NO variance, the stock will be at the new cost:-
OK, and Post