1. By: Anna

2. PROTOTYPE  The original or model on which something is based or formed.

3. INVENTION  Anything invented or devised.

4. PATENT  The exclusive right granted by a government to an inventor to manufacture, use, or sell an invention for a certain number of years.

5. OPERATING COST  The expense of maintaining property.

6. FIXED COST  A cost unvarying with a change in the volume of business.

7. TAXES  A sum of money demanded by a government for its support or for specific facilities or services, levied upon incomes, property, sales, etc.