What conclusion can be drawn from the diagram regarding the effects of taxes and benefits?
- AAll income groups are better off except those originally earning more than $40 000 per year.
- BBenefits paid to the lower income groups are not a burden because they are not paid out of tax revenues.
- CThe average final income of the top 20% exceeds the combined final incomes of the other groups.
- DThe progressive taxation system still favours the top 20% over the bottom 20% of households.