20.5 Yvonne made the following acquisitions ofordinary shares in Rangle pic:

Date No ofshares Cost

£

30 September 2005 2,000 1,200 1 December 2009 3,000 3,600 In January 2016, the company made a 1 for 5 rights issue at £1 per share and Yvonne decided to buy the shares which she was offered. In March 2017, she sold one-half of her shares in the company for £1.80 per share. Calculate the chargeable gain arising in March 2017, given that no further shares were acquired within the following 30 days.