Which of the following situations is an example of how income affects supply, demand, and consumption?


A.

Grocers in Arizona and Texas stock a large supply of Mexican products, while grocers in New York stock many kosher products.

B.

Beef is extremely cheap in the US, where it is consumed often, but it is extremely expensive in Japan, where it is consumed less.

C.

Rice is a common staple in Asia, while potatoes are a common staple in America.

D.

Lobster and caviar are easily affordable in some neighborhoods, while hotdogs and coleslaw are easily affordable in others.