You Notice That When a New Yoga Class Is Offered

Multiple Choice

You notice that when a new yoga class is offered at the student recreation center at a highly desirable time, some students from the other yoga classes go to the new class instead. This statement best represents this economic concept:

A) Resources are scarce.
B) The real cost of something is what you must give up to get it.
C) People usually exploit opportunities to make themselves better off.
D) Marginal analysis.