Given that a production possibility frontier shows the opportunity cost of one product compared to the other, if a nation has a comparative advantage in production of the product shown on the horizontal axis of the nation's PPF, which of the following statements is true? The slope of the nation's PPF is flatter than that of its trading partner The slope of the nation's PPF is steeper than that of its trading partner The nation's PPF is further from the origin than that of its trading partner