‘X’ is impossible, it is outside of the realm of possibilities
❖ ‘A’ indicates unused or underused resources (unemployment, etc.), it is inefficient
❖ The red line represents the economy operating at full capacity (using all resources efficiently)
❖ At point B the ‘economy’ is producing lots of fish
❖ To move from B to C, or to make more coconuts, it must come at the opportunity cost of fish.