is a quick method of calculating the interest charge on a loan
simple interst
denoiting an orginal sum invested opf lent
principal
a measure,quantity or frequency one measured against
rate
a trip given to a waiter ,or buisness worker
graturities
a fee paid for services, usaully a percentage of the total cost
commision
for the price to move up by a percentages
% increase
for the price to move down by a percentage
%decrease
is a tax on goods and services purchased and is normally a certain percentage added to the buyer's cost
sales tax
a percentage that is subtracted from the original price
discount
is levied on the price of a good or service
tax
the state or condition of being wrong
% error