Why do large firms subdivide their ledgers?

What are the characteristics of a perfectly competitive market and a monopoly market? How did the forces of supply and demand determine flexible exchange rates? Which US city has the most people of Maltese descent? What is current yield on a bond that the return is 10 percent with a 1000 par value bond with a 10 percent annual coupon and the bond pays interest annual and there are 3 years remaining? Who is mark zuckerberg and eduardo saverin? How do the four levels of industry affect the production of a good? What are the Determinants of saving function? In the game of economics are actions that other people value? What services are provided by BT Openworld? What is a homonym for profit? What does the incoterm CPT mean? Is economic growth always desirable? How do you calculate economic surplus? How import and export quotas distort the trading advantages of nations? A purely competitive firm's short-run supply curve is? What is an example of an inexpensive loan and an expensive loan? Is Tallin in the European Union? How are goods and services produced in France? What is the most direct result of free trade supplying productive resources to where they're needed the most? What factors can cause people to leave farming?