An airline company uses the graph of the function below to display the percent above or below the average price per ticket for a specific route, where X is the price the passenger paid and f(x) is the positive percent difference.

What is the correct Interpretation of the point (250,0)?

A.) The average price per ticket is $250.
B.) The minimum price per ticket is $250.
C.) The maximum difference paid is 250%.
D.) The average difference is 250%.