Lester, a chef and owner of Green Lantern, a popular restaurant, is always visiting his competitors to observe how they are doing things in their restaurants. He told one of his managers, "I eat dinnet at a lot of restaurants because $$ want to know what is going on$.$ I am always concemed that one of our competitors will surprise us with a new service or menu item, like ours but better." In which activity is Lester engaging?

environmental planning

TQM

assessing current reality

management by observation