A local authority uses an empty site for a library instead of a sports centre. What is the opportunity cost?
The wages paid to library staff
The value of the sports centre that was not built
The price charged to borrow books
The total cost of the land and building
29 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.