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