Shift from Point A on Production Possibility Curve X11Y1to Point B on X2Y2in the given figure indicates : (Choose the correct alternative)

An outward shift in a possibility curve denotes that the economy of a nation has increased its capacity to produce.
OR
A Production Possibility Curve (PPC) would be convex to the origin if
Marginal Rate of Transformation (MRT) is ___decreasing_____ . PPC represents the number of goods that can be obtained by estimating the number of goods in terms of another.
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.