Firstly in modifiers.py, commision_percentage has a typo and should be commission_percentage
Secondly the modifier doesn't support the additional fixed charge (of 20p in the UK)
Thirdly (and the most difficult to fix) the modifier doesn't deal with the different charge for European vs non-European cards:
Firstly in
modifiers.py
,commision_percentage
has a typo and should becommission_percentage
Secondly the modifier doesn't support the additional fixed charge (of 20p in the UK) Thirdly (and the most difficult to fix) the modifier doesn't deal with the different charge for European vs non-European cards: