Which of the following statements regarding inventory is false? O A Additions (purchases) and subtractions (sales) of inventory are constantly updated in a perpetual inventory system OB. Walmart was used an example of the periodic inventory system in the video OC. Any cost flow assumption (FIFO LIFO or Weighted Average can be used with either inventory system (periodic or perpetual OD.Cost of Goods is recorded at the end of the period only in a periodic inventory system