Help me

Dear CCI Members

I need your help in cost accounting matters?
Jus tell me that how can i do cost accounting in multiple products?
whereas Firm is related in e-commerce business..
whereas Firm deals in trading of suits sarees etc. with retail customer..
whereas firm needs to profit analysis of per/product basis.
whereas firm needs to cost analysis of per/product basis.

Can anyone suggest me or give me Excel sheets or any utilities of cost accounting of trading business.

hope for the best co-operation from your side.

Thank you:)