19) According to the Big Mac Index, the implied PPP exchange rate is Mexican peso 8.50/$1 but the actual exchange rate is peso 10.80/$1. Thus, at current exchange rates the peso appears to be ________ by ________.

A) overvalued; approximately 21%

B) overvalued; approximately 27%

C) undervalued; approximately 21%

D) undervalued; approximately 27%

E) None of the Above