how the Item % , Inventory Value Calculate using ABC Compile ?/

 Hi All,  I have hope you all OK, I have created the ABC Complie and in which assign the ABC GROUP, CLASS AND Assign Item too. But here doing Assigning I am noting getiing how the Inventory Value come and from where it is comes, I have also chck the ABC descending Value Report but i am not geting the basic results of it kindly suggest me the Appropriate way to ge tit done. PLZZZZZZZZ

rEGARDS 

bREATH