§ Mr. Hendersonasked the Chancellor of the Exchequer what is the comparative cost of producing £1 coins instead of £1 notes; and what would be the estimated average life of £1 coins.
§ Mr. Denzil DaviesIt would be undesirable for commercial reasons to pub-
286Wand the non-employed. Estimates for employees' contributions alone are not available, but, where available, estimates of taxes on income and total social security contributions paid by households are shown separately. The figures are derived from returns made to the OECD and the UN on the basis of the UN system of national accounts (SNA). The system has been revised but some countries' figures are still based on the former SNA. For comparability the United Kingdom figures are shown on the basis of both the former SNA and the new SNA. The latest figures available in general relate to 1974, but the United Kingdom estimate for 1975 is also shown, on the basis of the new SNA.
lish the costs of production. A coin is initially more expensive to produce than a note, but, depending on its specification, may have a life of up to 50 years.