Budget Lines The Following Questions Refer to the Following Diagram, Which Shows

Multiple Choice

Budget Lines

The following questions refer to the following diagram, which shows the budget lines faced by a consumer last year and this year.

-Refer to Budget Lines.If the consumer purchased basket B last year and purchases basket C this year,we can conclude that

A) the consumer is not behaving optimally.
B) the consumer's tastes changed between this year and last year.
C) the consumer's indifference curves cannot be convex.
D) the law of demand does not hold for this consumer.