§ Mr. Parkinsonasked the Chancellor of the Exchequer what has been the average annual effect on the incomes of families with no children, one child, two, three, and four children, respectively, earning £15, £20, £25, £30, £35 and £40 per week of all the income tax changes, increased social service charges, and larger 381W graduated National Insurance contributions since June 1970, and of the Family Income Supplement.
§ Mr. NottThe table shows the annual percentage change in net income, between
£ per week Earnings level Annual percentage increase in net income Married couple With one child With two children With three children With jour children 15 … … 10.4 14.9 15.7 16.4 16.1 20 … … 4.8 7.6 10.9 12.5 12.7 25 … … 1.8 3.1 3.5 4.3 8.4 30 … … 0.8 1.1 1.9 2.4 3.0 35 … … 0.4 0.8 1.1 1.4 1.7 40 … … 0.2 0.4 0.7 0.8 0.9 Notes (a)The calculations assume 1. that the children's ages are 4, 6, 8 and 10 years; 2. an average amount for rent and rates (£2.75 in June 1970 and £3.50 in April 1973); 3.working expenses of 60p a week. (b)Allowance is made for income tax, national insurance contributions, family allowances, family income supplement, school meal charges, rent and rates (taking account of the national rent allowance and rate rebate scheme introduced in 1972) and a representative total of prescription, dental and optical charges.