Cenvat credit in case of import

FOLLOWING ARE THE DETAILS OF PUR. MADE BY A MANUFACTURING UNIT..

PLEASE.TELL ME. HOW MUCH CREDIT CAN BE AVAILED i.e. HOW MUCH DUTY CAN BE PASSED..

ASSESSABLE VALUE                                                                     =             177067 

CUSTOM DUTY @ 7.5% OF 177067                                           =             13280.03

ADD. DUTY @ 12%OF (177067+13280.03)                               =             22841.64

EDU CESS @ 2% OF (13280.03+22841.64)                             =             722.43  

SHE CESS @ 1% OF (13280.03+22841.64)                             =             361.22

ADDL DUTY 19/2006 @ 4% OF(177067+13280.03+22841.64+722.43+361.22)=          8570.91