The diagram illustrates the percentages of people on low pay and on extremely low pay in a country between 1976 and 2012. A national minimum wage was introduced in 1999. Which conclusion agrees with the diagram?
- AThe minimum wage helped the low paid more than the extremely low paid.
- BThe minimum wage reduced the numbers of both low paid and extremely low paid.
- CThe minimum wage reversed the trend in low pay of the previous 20 years.
- DThe minimum wage was responsible for the largest reduction of low pay in the period.