Due to the integrated nature of their capital markets, investors in both the U.S. and U.K. require the same real interest rate, 2.3%, on their lending. There is a consensus in capital markets that the annual inflation rate is likely to be 1.5% in the U.S. and 2.8% in the U.K. for the next three years. The GBP/USD rate is currently 1.3089. Compute the nominal interest rate per annum in the U.K., assuming that the Fisher effect holds. (X.XX%)