Which one of the following statements is not true about inventory management systems?

Select one:

A$.$ The inventory account is updated at every sale and at every merchandise purchase under the perpetual inventory system.

B$.$ The inventory account is updated only at the end of the period under the periodic inventory system.

C$.$ Both periodic and perpetual inventory systems track the inventory cost in the inventory account on a continuing basis.

D$.$ The cost of goods sold account is updated at each merchandise sale under a perpetual inventory system.