HC Deb 22 October 1979 vol 972 c72W
Mr. Michael Spicer

asked the Chancellor of the Exchequer what would be the annual cost to the Exchequer of reducing income tax to the following levels: taxable income £0 to £1,000 15 per cent., £1,000 to £5,000 20 per cent., £5,000 to £10,000 25 per cent., £10,000 to £15,000 30 per cent., £15,000 to £20,000 35 per cent., £20,000 to £25,000 40 per cent., £25,000 to £30,000 45 per cent., and over £30,000 50 per cent.

Mr. Peter Rees

Of the order of £7 billion at 1979–80 income levels.