In June 201 6, Walter bought 10 ,000 shares in Ovod plc at a cost of £7 per share. In September 2017 , Rundico plc made a takeover bid for Ovod plc, offering the Ovod shareholders eight Rundico shares plus £4 in cash for every five Ovod shares. The offer was accepted on 2 September 2017 when the market value of shares in Rundico plc was £4.50 per share. Compute Walter's chargeable gain.