4. Suppose you observe that the settlement rate is 23.50 on USDTRY futures contracts due for delivery in twenty-one months. If the spot USDTRY exchange rate is 19.50 and the continuously compounded annual rate on twenty-one-month government bonds is 15% in Turkey and 5% in the U.S., determine whether there is an arbitrage possibility and quantitatively illustrate the strategy that you would use to expropriate it