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Suppose Poland produces only tablets and smartphones. The resources that are used in the production of these two goods are not specialized-that is, the same set of resources is equally useful in producing both smartphones and tablets. The shape of Poland's production possibilities frontier (PPF) should reflect the fact that as Poland produces more smartphones and fewer tablets, the opportunity cost of producing each additional smartphone The following graphs show two possible PPFs for Poland's decreases line PPF (PPF1) and a bowed-out PPF (PPF2). increases remains constant DS - B.JPG X ee all photos -- Add to Edit & Create v Share . . . (? ? Graph 1 Graph 2 PPF . PPF 2 TABLETS TABLETS SMARTPHONES SMARTPHONES Graph 1 Graph 2 Based on the previous description, the trade-off Poland faces between producing smartphones and tablets is best represented by