This is a single-screen visual summary for Chapter 3 of the Cambridge IGCSE Economics course (syllabus 0455): Opportunity Cost. Designed for smartboards, classroom screens and digital projection, this infographic brings together the core concepts of Chapter 3 in one richly illustrated landscape display. It covers the meaning and application of opportunity cost across all four economic agents - consumers, workers, producers and governments - alongside the Production Possibility Curve as a tool fo