My figures came to the following:
19/7/10 AOE BEFORE DeMerger = $5.00
20/7/10 AOE AFTER DeMerger = $4.67
DTE Just after DeMerger = 0.78
% of Total Post DeMerger represented by the AOE Post DeMerger = 4.67/5.00 ie 93.4%
% of Total Post DeMerger represented by the DTE Post DeMerger = 6.6%