asked the Chancellor of the Exchequer what would be the sum required to provide the same purchasing power as £3,250 in December 1964, £4,100 in December 1971, and £5,750 in July 1975, respectively.

In December 1976, the latest date for which information is available, the sums required to give equivalent internal purchasing power to those specified at the given dates are respectively, £9,600, £8,360 and £6,975 They have been calculated with reference to movements in the General Index of Retail Prices.