Which would be studied in microeconomics"Assume that a consumer can buy only two goods, A and B, and has an income of $100. The price of A is $10 and the price of B is $20. The maximum amount of A the consumer is able to purchase is" A. 30 B. 5 C. 10 D. 20? A. the output and price of wheat in the United States B. the general level of prices in the U.S. economy C. the total number of workers employed in the United States D. the output of the entire U.S. economy