Suppose that the current spot exchange rate is 0.8/$ and the 1-year forward exchange rate is 0.9/$. The interest rate is 4 percent annually in the United States and 5 percent annually in UK. Assume that you can borrow up to $1,000,000 or 800,000. Is there an arbitrage opportunity? What would be the amount of the arbitrage profit in dollars? Explain the arbitrage process clearly.