20.3 Jeremy acquired the following ordinary shares in Scarlon pic:

Date No ofshares Cost c

19 September 2008 4,000 X, 16,000 20 October 2010 2,000 12,000 21 November 2012 1,000 7,000 22 December 2016 3,000 24,000 13 January 2017 5,000 55,000 He made no further acquisitions during 2017. On 22 December 2016, he sold 10,000 shares in the company for £10 per share. Calculate the chargeable gain or allowable loss arising on this disposal.