suppose 90 days invesment in uk have a 6% annualized return and 1.5% quarterly (90days) return. in the us 90 day invesments of similar risk have a 4% annualized return and a 1% quarterly return. In the 90 day forward market, 1 british pound equal 1.2855$. if interest rate parity holds, what is the spot exchange rate in dolars per Uk pound?