Low Income Families (Taxation) Mr. Gould asked the Secretary of State for Social Services how many low income families were subject to a marginal tax rate of (a) over 100 per cent., (b) 75 to 99 per cent. and (c) 50 to 74 per cent., taking into account loss of means-tested benefits, in 1976, 1977 and 1978. Mr. Orme I shall let my hon. Friend have a reply as soon as possible.