Why might a UK firm import components?
Overseas components may be cheaper or better suited to production
Imports cannot affect a firm's costs
Only consumers can purchase imports
Imports guarantee a current account surplus
85 exam-style questions on OCR GCSE Economics 4.1 Importance of international trade, covering 4.1.1 Why countries import and export and 4.1.2 Free trade agreements. Each one has a worked solution and a mark scheme showing where the marks go.