Suppose $60-$day investments in Britain have a $6\mathrm{.}00\%$ annualized return. In the U$.$S$.,60-$day investments of similar risk have a $4\mathrm{.}00\%$ annualized return. In the $60-$day forward market, $1$ British pound equals $$1\mathrm{.}50.$ If interest rate parity holds, what is the spot exchange rate $($$$/)?$