Answer:
Step-by-step explanation:
Perpetual inventory system is an inventory management system that records the real time transaction of inventory through a continuous tracking of movement by technology .
In periodic inventory system , inventory update are made on a periodic basis , and as such is less efficient when compared to the perpetual method.
The four known methods of inventory valuation are weighted average , First -in-first-out , Last -in - first-out , weighted average and the specific identification method