Think of a situation in your own life where you need to make a choice. What is the scarcity, trade-off, and opportunity cost? Could you make a decision that isn’t all-or-nothing, based on a marginal benefit and
marginal cost? After your analysis, what do you think is the best choice

Einar sees alexandra every day across the room in his history class but has never talked with her. einar likes the way alexandra looks, including the way she dresses and how she wears her hair. he's even more attracted to her apparent intelligence and the way she handles herself in class discussions and during interactions with the instructor. he'd like to know more about her, so he asks one of his friends about her. einar, using a passive strategy to gain information about her, is probably in the preinteraction awareness stage of any relationship that might develop between them. t/f