What Is the Likely Reason That Airlines Might Restrict the Use

Multiple Choice

What is the likely reason that airlines might restrict the use of frequent flyer miles during holiday periods?

A) The opportunity cost to airlines of filling seats with frequent flyers is lower at these times.
B) Airlines want to protect their most loyal customers from the discomfort of overcrowded airplanes.
C) The opportunity cost to airlines of filling seats with frequent flyers is higher at these times.
D) Passengers have more transportation alternatives available to them at these times.