20
adult
bank note
banknote
business
buy
buying
cash
cash box
cash register
cashier
caucasian
checkout
commerce
commercial
consumerism
counter
currency
customer
euro
euros
expense
financial reward
grocery
hand
income
keyboard
male
man
market
money
paper currency
paying
payment
people
person
price
purchase
purchasing
register
retail
shop
shopping
spend
spending
store
supermarket
twenty
young