Year Expenditures Tax Revenues GDP 1 $ 360 $ 205 $ 3 comma 750 2 $ 400 $ 235 $ 4 comma 250 3 $ 340 $ 255 $ 5 comma 050 4 $ 400 $ 275 $ 5 comma 450 Suppose that initially there is no public debt. Using the above table, the public debt as a percent of GDP in year 4 was nothing%. (Enter your response rounded to one decimal place.)