§ Mr. Wakehamasked the Chancellor of the Exchequer what is the current rate of interest on overdue taxation expressed as a percentage equivalent of a gross rate of interest payable where such interest is allowable as a deduction in calculating income for tax purposes on a married man with an investment income of £5,000 per annum, £10,000 per annum, £20,000 per annum, and £50,000 per annum, respectively, whose wife has no income
Net rates of interest Grossed-up rates of interest (at marginal tax rates) on incomes equivalent to (Per cent. per annum) £5,000 Percentage £10,000 Percentage £20,000 Percentage £50,000 Percentage United Kingdom 9 18.00 36.00 90.00 450.00 Belgium 12 18.46 22.53 28.21 39.44 Denmark 12 23.76 30.15 30.15 30.15 France 14 20.00 23.33 31.11 35.00 Germany 12 15.64 21.16 24.00 27.64 Ireland 18 29.26 63.15 78.26 78.26 Italy 5 6.84 7.57 8.62 9.61 Luxembourg 6 8.57 11.53 13.95 13.95 Netherlands 10 14.49 23.80 32.25 34.48 Japan 14.6 17.72 22.58 28.00 35.00 United States of America 9 9.00 9.00 9.00 9.00