Not sure what you are arguing about but they were not purchased on 31-10-08 at 3 c as there was none traded on that day for 3c
Open High Low Close VWAP
31-Oct-2008 0.1 0.2 0.1 0.1 0.1355
30-Oct-2008 0.2 0.2 0.1 0.1 0.1353
29-Oct-2008 0.3 0.4 0.2 0.3 0.3155