Write a procedure, tax, to calculate (to the nearest pound) the tax a person owes, depending on his/her income. Calculate the tax using this table:
Income Tax rates
Tax rate Taxable income
Personal Allowance 0% 0 to £11,850
Basic rate 20% £11,850 to £46,350
Higher rate 40% £46,350 to £150,000
Additional rate 45% Over £150,000
The procedure should show
i) The salary,
ii) The tax rate,
iii) The amount of tax
iv) The amount left after tax and
v) Be able to deal with any input, valid or not.
Your tests of procedure should include the following values, which should be included
in your final presentation.
a) tax (£55,000)
b) tax (£100,250)
c) tax (£270,755)
d) tax (£99500)
e) tax (£237,570)
f) tax (£-40,000