The average price of a Big Mac in the US is $5.04. In France, a Big Mac costs 4 Euros. The current exchange rate is EUR If Purchasing Power Parity holds, the 0.9083/$. The $ cost of a Big Mac in France at current exchange rates is implied exchange rate should be and the Euro is Multiple Choice $4.4038; EUR 0.7936/$; 12.6% overvalued $3.6332; EUR 0.7936/$; 12.6% undervalued $4.4038; EUR 0.7936/$; 12.6% undervalued None of the above.