Hi ,
We are using Nav 2016 and costing method is Average cost.
We have some challenge's in updating unit cost in real time that if you post any PO with Diff price, item card unit cost is not getting adjusted as per the last posted PO, unless we run the batch Job (Item cost -adjust entries, post inventory cost to G/L ) in the month end.
This leads so many adjusted entries ( Value entries, G/L ) at end of the month for the batch job process.
Refer our Inventory setup.