How do the references to the CDC and AAP contribute to the author's central claim?.

the answer is:

c. economic output

citizens were able to charge more for their goods and services

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .

answer; reincarnation of an eternal soul;