What is the most significant difference between federal revenues in 2022 versus 1966? Group of answer choices Income taxes in 2022 are a smaller source of federal revenue than they were in 1966. The federal government got about the same amount of revenue from excise taxes in 2022 as it did in 1966. Social insurance taxes are a bigger source and corporate income taxes are a much smaller source in 2022. Social insurance taxes are a bigger source and corporate income taxes are a much smaller source in 1966