Number 9
3 marks · NormalIn the country of Kalculus, the tax rates are:
| Band | Salary (p.a.) | Tax rate |
|---|---|---|
| A | $0–$50,000 | 20% |
| B | >$50,000 | 40% |
Abdullah earns $85,000 per year. Calculate his total annual income tax.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
$24,000 $ (±1)
Also accept: 24000; $24 000
Common mistakes: Applying 40% to the full salary.; Forgetting to use two bands.
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Correctly identify parts of the salary in each tax band.
M2 · 1 mark · Calculate tax for each band: $50,000 at 20%, $35,000 at 40%. (follow-through)
A1 · 1 mark · Add tax amounts correctly for final answer $24,000. (follow-through)
Worked solution
First $50,000 at 20%: $50,000 × 0.20 = $10,000
Next $35,000 at 40%: $35,000 × 0.40 = $14,000
Total income tax = $10,000 + $14,000 = $24,000