Please solve this questions

Which production possibilities frontier (PPF) reflects increasing Widgets Widgets opportunity costs? O PPF 1 PPF 2 PPF 2 PPF 1 PPF 3 OOC PPF 4 Gizmos Gizmos What would cause the PPF to take that shape? Widgets Widgets Factors of production can be used in either widget or O gizmo production but some are more productive producing PPF 4 widgets, and some at producing gizmos. O Factors of production used to produce widgets cannot be PPF 3 used to produce gizmos, and vice versa. O There is only one factor of production and it cannot be used in both sectors at the same time. Gizmos Gizmos Factors of production can be shifted from widget O production to gizmo production with no change in productivity.Label each component of the circular flow diagram. Goods and Markets for Services Goods and Services Money Factors Firms Households Markets for Factors of Production