Suppose you have 1000 pounds and want to take advantage of arbitrage opportunities that you think exist in the forex market. Suppose that the pound-dollar exchange rate is 0.625, the dollar-yen rate is 0.009, and the pound-yen rate is 0.0075. Explain clearly and with numerical computations how you can make a profit from this through triangular trading. What is your profit in pounds after you are done trading?