Record the products sale via Personal Account "Sale" Record the sales returns via Personal Account "Sale Return" Record the products acceptance "Purchase" Returning purchased products to the supplier “Purchase Return” Inventory of products in the store "Inventory Checking" Accounting write-off of products “Write-Off” Disassembling a product set intngo sile items "Disassemble" Change the products retail prices "Revaluation" Prepare to send the electronic receipts (e-receipts) Send the electronic receipt (e-receipt) to ETA Adding new goods & services on the Pulsar POS device Purchase goods & services "Goods Acceptance" by the Pulsar POS device Sale goods and services "Sale" by the Pulsar POS device Record the goods & services returns by the Pulsar POS device Products write-off on the Pulsar POS device Return purchased goods to suppliers by the Pulsar POS device Conducting inventory of products by the Pulsar POS device Purchasing & changing retail prices by the Pulsar POS device