Explain in at least one well-written paragraph how the law of supply and demand controls prices. your response will include a description of demand, supply, and the relationship between the two. your response/explanation should use a product or commodity as an example.

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male