Ключевые слова: bagging, bar code, cash, cashier, checkout counter, contactless payment, convenience store, credit card, customer experience, customer service, debit card, discounts, electronic payment, flat illustration, grocery store, inventory management, items, loyalty program, mobile payment, payment, point of sale, processing, queue management, receipt, retail, retail industry, sales tax, scanning, scanning gun, selfcheckout, transaction records, transaction security, transactions,