Peter Weill's Produced a Study That Identified the 4 Main

Peter Weill's produced a study that identified the 4 main categories that make up a company's IT portfolio: the IT infrastructure,transactional systems,informational systems,and strategic systems.Weill's research shows that most companies spend a majority of their IT portfolio on the 1.______ and the least amount of money is spent on the 2.__________.A company that is seeking to be highly agile should spend more money on the 3.__________ to provide a nimble platform and less money on the 4._________ which tends to lock in current business processes.