After 2009, the Price of Tablets Fell Each Year and Manufacturers

Multiple Choice

After 2009, the price of tablets fell each year and manufacturers of tablets produced and sold more tablets each year. This result is because the

A) "law of supply" does not apply to companies in the "high-tech" sector of the economy.
B) "law of demand" does not apply to customers in the "high-tech" sector of the economy.
C) supply curve of tablets shifted rightward.
D) demand curve for tablets shifted leftward.