Processing Sales Transactions: This involves accurately ringing up purchases, applying discounts, and calculating totals. 

Handling Payments: Accepting various forms of payment, including cash, credit/debit cards, and potentially other methods like UPI or mobile payments. 

Issuing Receipts: Providing customers with accurate and timely receipts for their purchases. 

Maintaining Counter Area: Keeping the billing counter and the surrounding area clean and organized. 

Customer Service: Greet customers, answer questions about products or services, and provide a positive customer experience. 

Basic Reporting: Potentially maintaining daily sales records and assisting with other basic reporting tasks. 

Handling Cash and Change: Accurately handling cash transactions and providing correct change. 

Operating POS Systems: Utilizing point-of-sale (POS) systems to process transactions and manage inventory.