Paying rent is a [risk/return/need/want], while buying a new video game is a [risk/return/need/want]. If you buy a new video game, you cannot pay your cell phone bill. This is an example of setting a [short-term goal/setting a long-term goal/realizing opportunity cost].
a) Need; want; short-term goal
b) Need; want; long-term goal
c) Want; need; short-term goal
d) Want; need; long-term goal