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. hamburger will cost US$3.00 if rate of return parity holds. O B. hamburger will cost US$4.50 if purchasing power parity holds. O C. Canadian dollar is expected to depreciate according to purchasing power parity. 2 O D. hamburger will cost US$3.00 if purchasing power parity holds. O E. Canadian dollar is expected to appreciate according to purchasing power parity