Customized vb.net POS

Hi,
I would like to get a quotation for a customized POS system for a Salon & Spa business.

basic features

User management
staff management including staff sales percentage, image Id , emai, name , sales %, Commission % etc..

-service , sales to be assigned by cahier to respective staff name.
-packages sales
-sessions sales, (example package of 5 massage sessions, paid in advance and booked on specific daytes)
-inventory / stock managment
-inventory sales
-inventory records
-inventory stock level reminder

-daily expenses & purchases
-staff credit from cashbox (these amounts will be deducted from salary)

-customers database (basic information & email address)
-email notifications to customers
-generate customer barcode (image) and email it for next visit, barcode can be used for easy data retreival.

-Reports (sales, expenses, stock levels, daily customers walk in etc.)

-web based database for easy integration with google data studio

- integrations with POS barcode scanner, cashdrawer, pos printer (hardware available)



these are the generic requirements, once i close the deal with the client, will provide you a detailed system requirements sheet
& design layout.

recommended through vb.net & provide the data source.