The purpose of Review Inventory Cost Accounting is for users to check if there is an ongoing or deferred inventory costing calculation. This is more of a tracker only. Note that it is not recommended to close a period when there is a deferred or ongoing costing calculation because it will get stuck. The main reason behind this is because the system would not be able to completely close any period if the system is currently performing COGS calculations on any item record within the system.
Hence if there are Inventory Cost that are are still calculating, the Item Left for Cost Calculations Field will show the number of Items that need to wait for the calculation to be finished.
But if there’s none, then you can proceed in Marking the Tasks Complete.
Also, as additional help for you, you can do below things to serve as a safety net to see if there are still calculation running on the back end:
1. To do an Item Saved Search that will only show Items with Location Cost Accounting Status as Failed, Pending and Processing to know which Item – Location that are still calculating the location cost.
2. On the Inventory Valuation Report or Income Statement, click on the wrench icon on the lower right part of the page and click on Display Title, to see if there’s a prompt message that costing is running.