This is an old revision of this page, as edited by 147.72.97.69(talk) at 19:57, 17 April 2007(←Created page with 'what is average total cost. wikipedia doesn't give a good definition, im so lost......'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 19:57, 17 April 2007 by 147.72.97.69(talk)(←Created page with 'what is average total cost. wikipedia doesn't give a good definition, im so lost......')