Interest Payments.

25.Suppose that the federal debt in 2020 is $22.5 trillion.If interest rates remain at the 2016 level of 1.7%, find the annual interest payment on the debt.How much does the interest payment change with a 0.5-point increase in the interest rate?

The answers for #25 are: $383 billion dollars, interest payment increases to $495 billion dollars, or 29.4%

21-24. Deficit, Debt, and GDP. Consider the following table showing past and projected federal revenue, spending, and GDP. All figures are in billions of dollars and rounded to the nearest billion. Year Surplus or deficit Debt GDP 2000 236 5600 10,100 2010 - 1294 13,600 14,800 2020 (projected) -540 22,500 21,900