Introduction of new features and innovative technology by BMW, Mercedes, and Lexus prompted Porsche to implement lean production practices. However, because Porsche produces a ;imited number of models, its switch to lean production practices was somewhat easier than that of its competitors. in addition, Porsche engineers have been able to keep vehicle performance and handling of their vehicles at the forefront of the sports car segment. As aresult, Porsche has enjoyed record sales and profit (see Exhibits 2A and 2B). in early 2010 with aonly ahandful of focusede car-making companies remaining, Porsche led the pack