According to the law of supply, the amount of a good or service supplied will increase as the price increases, and decrease as the price decreases. This direct relationship exists because ________

A) supply is not dependent on the resources required to produce the product
B) supply is derived from a producer's desire to maximize profit
C) supply is affected by the number of suppliers
D) supply is not affected by the quantity of similar or substitute products
E) supply is affected by changes in technology