This video from the USA says about itself:
The Cost of War in Iraq and Afghanistan
The Center for Arms Control and Non Proliferation, a sister organization of the Council for a Livable World, presents the costs of the war in Iraq and Afghanistan in U.S. taxpayers’ dollars, U.S. lives, and the lives of innocent Iraqi civilians.
Find out more at www.armscontrolcenter.org
From inthenews.co.uk in Britain:
Afghanistan cost ‘up to £2.3bn’
Monday, 15 Dec 2008 18:03
The Ministry of Defence has revealed it expects the cost of operations in Afghanistan to increase by 54.1 per cent next year.
A Commons report revealed the MoD was forecasting costs of £2.318 billion for 2008/09, up from £1.505 billion in the previous 12 months.
See also here.