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Suppose the Big Mac index between the U$.$S$.$ and Ecuador is $-31\%.$ What does this imply about relative prices?

Multiple select question.

Dollars go further at a McDonald's in the U$.$S$.$ than in Ecuador.

Dollars go further at a McDonald's in Ecuador than in the U$.$S$.$

Prices in Ecuador are less than we would expect if PPP held.

Prices in Ecuador are more than we would expect if PPP held.