refund
money given back to you if you return something.
Charge
ask for money for a service or activity
exchange
take somethng back to the shop and replace it with something else.
customer service
helping customers in a polite way
promotion
a special offer on a product.
Good value
When the price and quality of a product match up
serve customers
a sales assistant is employed to do this.
department store
A big shop with many departments
purchase
something that you buy
discount
a lower price than usual on a product.
A bargain
a great special offer
checkout
where you go to pay
delivery charges
the money you pay to have products taken to your house.
receipt
a piece of paper that you recieve when you buy something.