Assume the One-Year Forward Rate for the Swiss Franc Is

Assume the one-year forward rate for the Swiss franc is SF.9655 = $1.The spot rate is SF .9702 = $1.The interest rate on a risk-free asset in Switzerland is 3.8 percent.If interest rate parity exists, a one-year risk-free security in the U.S.is yielding _____ percent.

A) 4.21
B) 4.51
C) 3.98
D) 4.40
E) 4.31