1.
a fee paid to a person for making a sale
2.
a payment to someone for a service
3.
a tip that is paid in addition to the price
4.
the amount of decrease in a price
5.
the amount of increase in a price
6.
the amount that a number increases or decreases
7.
a percent change describing a decrease
8.
a percent change describing an increase
9.
the initial amount of money borrowed or saved
10.
the amount an item is sold for after a markup
11.
percent of the cost that is charged by governments
12.
a fixed percent of the principal
13.
another word for gratuity