Karissa bought a box of cereal at the supermarket. the price on the shelf said
$4.99, but when karissa went through the checkout lane, she presented the
cashier with a piece of paper that allowed the cashier to reduce the price by
$0.50. which type of discount is this?
o
a. a gift card
o
b. a coupon
o
c. a rebate
o
d. a sale
simit