Question 4 1 pts If the annual inflation rate is 2.5% in the United States and 4% in the U.K., which of the following is correct according to relative PPP? O the pound should appreciate against the dollar by 1.5%. O the pound should depreciate against the dollar by 1.5%. O the pound should appreciate against the dollar by 6.5%. O the pound should depreciate against the dollar by 6.5%