asked the Mini- for Finance the retail turnover of each of the following classes of articles, or services, on which he based his estimate that the turnover tax would produce £10½ million in a full year, and the turnover tax that will be payable accordingly in a full year by each such category, assuming that the retailer charges the exact proportion of turnover tax on such article or service : (1) the laundry, cleaning and dyeing industry, (2) hotels, restaurants and guest-houses, (3) hairdressers, (4) bread, biscuit and flour confectionery, (5) cocoa, chocolate and sugar confectionery, (6) margarine, compound cooking fats and butter blending, (7) boot and shoe factories, (8) men's clothing, (9) boys' clothing, (10) women's clothing, (11) girls' clothing, (12) printing, publishing and the allied trades, (13) fertilisers, (14) oils, paints, inks and polishes, (15) soap, detergents and candles, (16) cream, butter, cheese and other edible milk products, (17) bacon, ham and other products of bacon factories, (18) turf production and bog development, (19) slaughtering, preparation and preserving of meat other than by bacon factories, (20) canning of fruit and vegetables and manufacture of preserves, jams, etc., (21) motor cars and motor vehicles of all kinds, (22) grain milling and animal feeding stuffs, and (23) aerated and mineral waters.