How can i get costing report of any company.?

I have an ignment to submit plz help me as quick as possible..How can i get costing report of any company..means in how much cost company can make its product and how i know about its profit in each product ....iwant to know about price of product according to company and on how much profit he is selling it....i want to know cost of product in complete detail....please help me quick.