If the price of good A decreases by 10 percent and the quantity demanded of good B decreases by 10 percent, this is evidence that goods A and B are
A)substitutes for one another.
B)complement goods to one another.
C)both inferior goods.
D)both normal goods.
E)not related.

Question

Quizplus · Accepted Answer

When the price of good A decreases, the quantity demanded of good B decreases, indicating that goods A and B are substitutes for one another.

If the Price of Good a Decreases by 10 Percent