bill
buy
card
cash register
cashier
checkout
commodity
consumer
consumption
content
counter
credit card
customer
ec card
finance
food
girl
groceries
grocery store
happy
health food store
help
interior shot
joy
joyful
line
line up
market
money
organic food store
pay
payment
people
queue
retail
retailer
saleswoman
satisfaction
scanning cash register
seller
service
shop
shopping
shopping basket
smile
store
supermarket
teller
wait
woman