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. Group of answer choices 4.21 4.51 3.98 4.40 4.31