Table:
text: 2008–09 Aston Villa F.C. season
Squad information
Squad information
Nat_ Name_ Since AppGS_Sub Goals Ends Transfer_fee
ENG Steve Sidwell 2008 6 (3/3) 1 2011 Undisclosed
ENG Gareth Barry 1997 410 (393/17) 49 2010 Undisclosed
ENG Ashley Young 2007 70 (67/3) 14 2011 £9.6m
ENG James Milner 2008 45 (40/5) 3 2012 £12m
TOG Moustapha Salifou 2007 9 (3/6) 0 2009 Undisclosed
BUL Stiliyan Petrov 2006 82 (75/7) 4 2010 £6.5m
ENG Nigel Reo-Coker 2007 56 (56/0) 3 2011 £8.5m
ENG Craig Gardner 2005 58 (37/21) 6 2011 Academy
ENG Isaiah Osbourne 2006 26 (13/13) 0 2011 Academy
ENG Marlon Harewood 2006 34 (7/27) 7 2010 £4m
NOR John Carew 2007 59 (57/2) 23 2010 Part-Exchange
ENG Gabriel Agbonlahor 2006 110 (102/8) 29 2011 Academy

Question: If the transfer fee is £8.5m what is the total cost of Aston Villa FC for the 2008-09 season?