QUESTION 11 According to the graph which shows total tax rate changes since the 1950s, which of the following has occurred over the long term for people in the lower income, middle income, and higher income? O Lower income increase in taxes, middle income increase in taxes, higher income increase in taxes O Lower income decrease in taxes, middle income about the same, higher income increase in taxes O Lower income increase in taxes, middle income about the same, higher income decrease in taxes O Lower income decrease in taxes, middle income decrease in taxes, higher income decrease in taxes