Inventory valuation
To meet the various reporting principles,
      organizations must be able to value inventory according to various cost or pricing rules and
      multiple coexistent valuation bases. Some examples are LIFO, FIFO, Average, Historical
      Average, Net Sales Value, Obsolescence, Actual, WIP, Standard, Usage, Periodic, Perpetual, and
      Serial/Lot.
    The various inventory valuation methods can affect the valuation of direct materials, labor, and overhead.
France specifics
The periodic inventory valuation method is required.