on 17 t-red d out of A hamburger costs C$4.50 in Fredericton, New Brunswick, and the exchange rate is 67 U.S. cents per Canadian dollar. Then the O a. Canadian dollar is expected to appreciate according to purchasing power parity. O b. hamburger will cost US$3.00 if rate of return parity holds. O c. hamburger will cost US$4.50 if purchasing power parity holds. O d. Canadian dollar is expected to depreciate according to purchasing power parity. O e. hamburger will cost US$3.00 if purchasing power parity holds