Think you're smart about deficits? Try this

Deficits. Taxes. Spending. Could you help Washington find a way out of the nation's fiscal pickle? Take the CNNMoney debt quiz.

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5. What percent of the deficit projected for 2021 will be due to interest payments alone?

Answer: 80%. 80%. A fairly fat sum. Interest owed will account for 80% -- or $931 billion -- of the $1.16 trillion projected deficit for that year, according to the CBO analysis of the president's budget proposal. That $931 billion, combined with the spending on Medicare, Medicaid and Social Security would eat up 89% of all federal tax receipts. So 89 cents of every tax dollar will be spoken for before lawmakers consider what to spend on everything else from education to infrastructure to defense.

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Where our money will go in 2020 Unless we make big changes, 92% of U.S. tax revenue could go to just 4 things – leaving just a sliver to pay for everything else. (more)
Take the Social Security quiz As policymakers and politicos argue about its fiscal condition, here's a quick test of what you know. (more)

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