By: Anna
PROTOTYPE The original or model on which something is based or formed.
INVENTION Anything invented or devised.
PATENT The exclusive right granted by a government to an inventor to manufacture, use, or sell an invention for a certain number of years.
OPERATING COST The expense of maintaining property.
FIXED COST A cost unvarying with a change in the volume of business.
TAXES A sum of money demanded by a government for its support or for specific facilities or services, levied upon incomes, property, sales, etc.