Which of the Following Would Cause the Quantity of Wheat

Multiple Choice

Which of the following would cause the quantity of wheat bread demanded to increase, but not the demand for wheat?

A) ​a reduction in the price of rye, used to produce rye bread
B) ​a new scientific study demonstrating that wheat bread reduces the risk of colon cancer
C) ​a decrease in the price of rye bread
D) ​an increase in the number of farmers growing wheat