The following table shows PPP exchange rates (the price of 1 U.S. dollar in units of the foreign currency) for several countries, determined based on the Big Mac Index. PPP exchange rate (1US$=) United States (US$) Argentina (Peso) 3.75 Australia (A$) 1.17 Brazil (Real) 2.33 Britain (f) 0.61 Canada (C$) 1.12 Chile (Peso) 469 China (Yuan) 3.54 a. According to this data, what are the predicted exchange rates between the following countries? i. Argentina and Australia ii. Brazil and Canada iii. Chile and China iv. China and Canada b. Suppose that a Canadian dollar buys more silver in Australia than it buys in Mexico. What does purchasing-power parity imply should happen