Assume the following information: you have $$800,000$ to invest the $90-$day interest rate is the United States is $2\%$ the $90-$day interest rate in the United Kingdom is $4\%$ the current spot rate of the pound is $$1\mathrm{.}60$ the $90-$day forward rate of the pound is $$1\mathrm{.}60.$ based on this information above explain how you can engage in covered interest rate arbitrage and what would be your proceeds