Suppose That a Consumer Regards Two Types of Soap as Perfect

Multiple Choice

Suppose that a consumer regards two types of soap as perfect substitutes for one another. The price consumption path generated by changing the price of one type of soap

A) is always upward sloping.
B) is always horizontal.
C) is always vertical.
D) corresponds with the axis for the cheaper soap.
E) corresponds with the axis for the more expensive soap.