Basket Weavers, Inc ships their prized bread basket to two countries (countries A and B) where the exchange rates are in equalibrium. If Suzy purchases the basket in country A and her friend purchases in country B for the same price this is an example of which of the following metrics?
a. Gross domestic product
b. Gross national income
c. Purchasing power parity
d. Trade deficit
e. Human development index
Answer: c. Purchasing power parity