Suppose that the spot rate on the Canadian dollar is C$1.40. The risk-free nominal rate in the U.S. is 8 percent while it is only 4 percent in Canada. Which one of the following one-year forward rates best establishes the approximate interest rate parity condition?
a. C$1.355.
b. C$1.344.
c. C$1.278.
d. C$1.456.