214 H. S. CARSLAW. 
APPENDIX. 
Income Tax Act, 1917 (Commonwealth of Australia.) 
SECOND SCHEDULE. 
RATE OF TAX UPON INCOME DERIVED FROM PROPERTY. 
(a) For such part of the taxable income as does not exceed £546 
the average rate of tax per pound sterling shall be that given by 
the following formula :— 
R = average rate of tax in pence per pound sterling. 
I = taxable income in pounds sterling. 
I 
2 reso | ee 
(b) For such part of the taxable income as exceeds £546 but does 
exceed £2,000 the additional tax for each additional pound of 
taxable income above £546 shall increase continuously with the 
increase of the taxable income in a curve of the second degree in 
such a manner that the increase of tax for one pound increase of 
taxable mcome shall be— 
11°713 pence for the pound sterling between £545 10s. and £546 10s. 
12-768 pence for the pound sterling between £59910s.and £600 10s. 
14°672 pence for the pound sterling between £69910s.and £700 10s. 
16°512 pence for the pound sterling between £79910s. and £800 10s. 
18288 pence for the pound sterling between £899 10s. and £900 10s. 
20-000 pence for the pound sterling between £999 10s. and £1,000 10s. 
27°600 pence for the pound sterling between £1,499 10s. and £1,500 10s. 
33°600 pence for the pound sterling between £1,999 10s. and £2,000 10s. 
(c) For such part of the taxable income as exceeds £2,000 but. 
does not exceed £6,500, the additional tax for each additional pound 
of taxable income above £2,000 shall increase continuously with 
the increase of the taxable income in a curve of the third degree 
in such a manner that the increase of tax for one pound increase 
of taxable income shall be— 
33°600 pence for the pound sterling between £1,999 10s. and £2,000 10s. 
40°000 pence for the pound sterling between £2,499 10s. and £2,500 10s. 
45°300 pence for the pound sterling between £2,999 10s. and £3,000 10s. 
49°600 pence for the pound sterling between £3.499 10s. and £3,500 10s.. 
53°000 pence for the pound sterling between £3,999 10s. and £4,000 10s. 
55°600 pence for the pound sterling between £4,499 10s. and £4,500 10s. 
57°500 pence for the pound sterling between £4,999 10s. and £5,000 10s. 
58800 pence for the pound sterling between £5,499 10s. and £5,500 10s. 
59°600 pence for the pound sterling between £5,999 10s. and £6,000 10s. | 
60:000 pence for the pound sterling between £6,499 10s. and £6,500 10s. 
(d) For every pound sterling of taxable income in excess of 
£6,500 the rate of tax shall be sixty pence. 
