(Interest rate parity) On August 8th the six-month risk-free rate of interest in Switzerland was 6 percent. If the spot exchange rate for dollars for Swiss francs is 0.9248 and the six-month forward exchange rate is 0.9275, what would you expect the U.S. six-month risk-free rate to be? The U.S. six-month risk-free rate is %. (Round to two decimal places.)