HC Deb 20 December 1979 vol 976 c341W
Mr. Kaufman

asked the Chancellor of the Exchequer what, based upon the index of retail prices, is the current purchasing power of the £ sterling, taking it as 100p on 3 May.

Sir Geoffrey Howe

Taking the internal purchasing power of the £ sterling as 100p in May 1979, its value in November 1979, the latest month for which information is available, was 91p.