Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Figure: Indifference Curves and Consumption Bundles) Use Figure Indifference Curves and Consumption Bundles.The lines AA and BC are parallel.The optimal consumption point could shift from b to c as a result of any of the following EXCEPT:

A) an equal percentage increase in the prices of hot dogs and pizza while income is unchanged.
B) a decrease in income with prices constant.
C) a change in tastes.
D) an equal percentage increase in the prices of hot dogs and pizza while income is unchanged or a decrease in income with prices constant.