Suppose a Positive Technological Change in the Production of Disease-Resistant

Multiple Choice

Suppose a positive technological change in the production of disease-resistant corn caused the price of corn to fall.Holding everything else constant,how would this affect the market for wheat (a substitute for corn) ?

A) The supply of wheat would increase and the equilibrium price of wheat would decrease.
B) The demand for wheat would decrease and the equilibrium price of wheat would decrease.
C) The demand for wheat would increase because consumers could afford to buy more wheat and corn.
D) The demand for wheat would decrease and the equilibrium price of wheat would increase.