19.4 William made the following acquisitions of preference shares in Heptagon plc:

Date No of shares Cost

£

17 February 2001 600 900 13 November 2005 200 400 9 October 2009 100 300 In January 2010, the company made a 1 for 4 bonus issue. In February 2010, William sold 450 shares for £4 per share. Calculate the chargeable gain, assuming that he made no acquisitions in the following 30 days.