Mrs. Butlerasked the Chancellor of the Exchequer how many working wives are paying Surtax on the whole of their incomes; and what yield in taxation this produces.
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§ Sir E. Boyle:On the assumption that a wife's earnings are regarded as the top slice of the joint income, there are about 90,000 cases, yielding £4 million Surtax, where the whole of the wife's earnings attracts Surtax liability.