nterest paid only on the original principal, not on the interest accrued.
simple interest
The total amount of money borrowed (or invested), not including any interest or dividends.
principal
A rate which is charged or paid for the use of money.
interest rate
a gift of money, over and above payment due for service, as to a waiter or bellhop; tip.
gratuties
A fee paid for services, usually a percentage of the total cost.
commissions
measure of percent change, which is the extent to which something gains value.
percent increase
measure of percent change, which is the extent to which something loses value.
percent decrease
an amount added to the price of something
markups
the difference between approximate value and observed value, as a percentage of the observed value.
percent error
the amount by which a price is reduced.
markdown
A reduction in price
discount
Money that the government collects based on income, sales, and other activities.
tax