Suppose there is a decrease in the U.S. selling price of Japanese-made cars (a substitute for American-made cars). At the same time, the price of steel in the U.S., used to make American-made cars decreases. What would we expect would happen in the market for American-made cars?

a)The equilibrium price rises, but the effect on quantity is uncertain.

b)The equilibrium price and quantity fall.

c)The equilibrium price falls, but the effect on quantity is uncertain.

d)The equilibrium quantity falls, but the effect on price is uncertain.

e)The equilibrium quantity rises, but the effect on price is uncertain.