Please use Australian tax, thank you.

4. On 3 July 2009 Simon sold half of his shares in ABC Ltd for $12 a share plus $90 brokerage. He had originally acquired 2,000 shares in ABC Ltd on 2 September 1986 at a price of $5 a share plus $80 brokerage. Required: Advise Simon of any capital gain/loss on sale of the shares