The Quantity Demanded for Cosmetic Surgery Increased by 12 Percent

Multiple Choice

The quantity demanded for cosmetic surgery increased by 12 percent following a period of strong economic growth that raised consumer income by 4 percent. What type of good is cosmetic surgery?

A) It is a luxury good since the income elasticity of demand exceeds 1.
B) It is a normal good since the income elasticity is less than 1.
C) It is a necessity since the income elasticity of demand is equal to 1.
D) It is a supernormal good since the income elasticity is greater than 2.