this article is talking about inventory calculation Inventory Closing Why You should Closed the Inventory All Ax Inventory transaction, recorded the transaction in average by default, so if the company did not use average costing instead using FIFO/LIFO Costing, every period they must recalculate the inventory so the inventory cost will change to FIFO/LIFO before they doing the financial closing. but in progress, the recalculation always start from the last closing inventory date, it means that if we do not closed the inventory, the recalculation will recalculate from old past period, for example, if the last inventory closing do on 2013, so recalculation starts calculate from early 2013. while we do the recalculation, the current inventory transaction will also recalculate the Cost (COGS), and if the recalculation periods start from past year, it will take an ax slow while doing inventory transactions such as receive good, picking list, packing slip and not forgot to ...