Since it is very easy to sale the items through POS, all sales are entries can be captured in the system. So, the inventory is known at any point of time. At the end of the day, just by running one report, closing can be completed very fast.
Also, all the sale transactions are captured with payment modes. So, the item inventory stocks, cash, etc. can be completed as part of Closure of the day within minutes.
This largely simplifies the total sales and inventory management operations.