Although Some of the Statements Below Are True of Both

Multiple Choice

Although some of the statements below are true of both normal goods and inferior goods, only one of the statements defines a normal good.Which one?

A) Normal goods are those for which the demand curve slopes downward.
B) Normal goods are those for which indifference curves slope downward.
C) Normal goods are those whose demand curves shift rightward when income increases.
D) Normal goods are those whose indifference curves shift rightward when income increases.
E) Normal goods are those for which demand decreases when price increases.