Suzanne acquired the following ordinary shares in Quarine plc:

Date No of shares Cost

£

2 October 1999 200 640 10 January 2001 150 480 5 December 2008 400 1,420 8 November 2016 250 1,160 24 July 2022 300 1,400 10 August 2022 400 2,500 20 August 2022 350 2,600 31 August 2022 500 2,400 She made no further acquisitions. On 24 July 2022, Suzanne sold 1,200 shares for £7 per share. Compute the chargeable gain or allowable loss arising on this disposal.