Imagine you take a shopping trip to a flea market, and you are looking for an old record player. You know the typical antique record player is very expensive. When you arrive, you notice several vending booths all selling antique record players. When you look at the price, you realize it is half the cost you expected! The fact that the cost of this product is so low surprises you at first, until you remember the law of supply and demand. Describe how supply and demand plays into the price of the record player.