with regards to choosing which shares you have sold, its simple - its YOUR choice.
you choose which shares you have sold when calculating CG - theres no 1st in 1st out, no averages - simply you choose.
140 shares @ $10 on 1 Jan 04
120 shares @ $15 on 1 Jan 05
110 shares @ $20 on 1 Jan 06
and heres the teaser - if you want, you can mix it up
110 sold today can be 35 from $10, 35 from $15 and 40 from $20....OR
110 FROM $10.
YOU CHOOSE.
- its all simply IF THEY AUDIT YOU, show them how it was calculated.
http://ato.gov.au/individuals/content.asp?doc=/Content/00104611.htm
its a big doc - you find the page