A useful link relating to minimum and maximum wages https://www.bbc.co.uk/news/business-47746093 and see where to find the relevant section within the specification below:-

Edexcel spec reference 3.5.3  Maximum and minimum wages

AQA spec reference  The National Minimum Wage

OCR spec reference  P14 Evaluate the impact of the imposition of, and changes in, maximum wages, minimum wages and the ‘living wage’