Basics of Economics
Demand
stuff about demand Demand is how much consumers want a resource (high demand means high prices. low demand means lower prices.)
Supply
stuff about supply supply is however much of a resource we have available at one time
Price: Demand+Supply
when you add them! =] If you have low supply, but everyone wants it, (Video Games for example) prices will rise. Vice Versa a high supply and low demand (apples for example) the prices will be lower to increase sales