Suppose the price of a cup of tea is $3 in Winnipeg and 6 euros in Barcelona. According to the current exchange rate, which of the following statements is true?
a) The price of a cup of tea is higher in Barcelona than in Winnipeg.
b) The price of a cup of tea is the same in both cities.
c) The price of a cup of tea is lower in Barcelona than in Winnipeg.
d) None of the above.