A useful link for A Level Economics relating to variable costs http://www.bbc.co.uk/news/uk-politics-44229606 and where to find the relevant section within the spec: Edexcel spec reference 3.3.2 a) Formulae to calculate o average variable cost AQA spec reference 4.1.4.4 The difference between fixed and variable costs. OCR spec reference P10 Explain what is meant by: average variable…
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