Three airlines—AirX, JetY, and SkyZ—operate on the New York to Chicago route. To increase the number of tickets sold, SkyZ reduced its fares, and AirX and JetY quickly followed suit. The general belief was that the volume of air travel between New York and Chicago would increase as a result.
Which of the following, if true, would most support the general belief?
A. The three airlines reported an increase in profitability following the fare reductions.
B. The discount fare scheme was extended to other major routes across the country.
C. A study shows that air travelers in the United States are highly sensitive to ticket prices.
D. A survey reveals that 80% of air travel in the United States is for business purposes, typically covered by employers.
E. The fare reductions led to an increase in the number of tickets sold on the New York to Chicago route.
(Source=TCYOnline)