Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Figure: Kristin's Budget Line) Use Figure Kristin's Budget Line.The price of a cup of cappuccino is $3,and the price of an apple is $1.Suppose Kristin initially consumes 10 cups of cappuccino and 30 apples.Then the price of apples increases to $3 each and the price of a cappuccino remains unchanged.As a result of this price change,Kristin's optimal consumption bundle changes,reflected by a decrease in the consumption of both apples and cappuccinos.This suggests that:

A) apples are a Giffen good.
B) cappuccino is a Giffen good.
C) both apples and cappuccino are normal goods.
D) apples are an inferior good.