Some groups in the electorate tend to vote heavily for the Democratic Party, while other groups tend to vote more heavily for the Republican Party. When it comes to income, which of the following is true? A) Those with higher incomes are more likely to vote Democratic, while those with lower incomes are more likely to vote Republican. B) Those with higher incomes are more likely to vote Republican, while those with lower incomes are more likely to vote Democratic. C) Those with both higher incomes and lower incomes are more likely to vote Democratic. D) Those with both higher incomes and lower incomes are more likely to vote Republican