In 2017-18, Ahmed has capital gains of £13 0,000 and allowable losses of £24,000. He also has capital losses brought forward of £4,700.

Ahmed's taxable income for 2017-18 (after deduction of the personal allowance) is

£18,500. He makes Gift Aid donations o f £8,000 during the year. Compute his CGT liability for the year assuming that his gains of £130,000 comprise either:

(a) a gain of £120,000 which qualifies for entrepreneurs' relief (ER) and a non-ER gain of £10,000 on the disposal of chattels, or

(b) an ER gain of £10,000 and a non -ER gain of £120,000 arising on the disposal of residential property, or

(c) an ER gain of £7,500, a non -ER gain of £70,000 on the disposal of residential property and a non-ER gain of £52,500 on the disposal of shares.