HC Deb 22 July 1986 vol 102 c147W
Mr. Clay

asked the Chancellor of the Exchequer what would be the cost of each £100 increase in the basic personal allowances if the wife's earned income relief and the married man's allowance were both replaced by a single non-transferable tax allowance.

Mr. Norman Lamont

[pursuant to his reply, 14 July 1986, c. 436]: About £750 million in a full year at 1986–87 prices.