Mina has £28 to spend and chooses a set of watercolour paints. Her other options, ranked by preference, are a sketchbook first and a pack of pens second. What is the opportunity cost of Mina's choice?
The sketchbook
The pack of pens
The watercolour paints
The £28 spent on the watercolour paints
77 exam-style questions on OCR GCSE Economics 1.2 The basic economic problem, covering 1.2.1 Scarce resources and unlimited wants, 1.2.2 The economic problem, 1.2.3 Opportunity cost, and 1.2.4 Costs and benefits of economic choices. Each one has a worked solution and a mark scheme showing where the marks go.