eTajer POS

eTajer is a software for small groceries business, it's a POS system.

Business Rules

Updated 06-09-2020

• A Product should have a name, purchase price, selling price and inventory Qty.
• A Product inventory should be managed in at least one Unitary Unit
• A Product inventory could be managed in multiple Packaging Units of != quantities and != prices
• Each Product Unit could have multiple BarCodes/SKU