I have problem for this question. You may have experienced or observed that for the same round trip, you pay different prices depending on direction...

I have problem for this question.

You may have experienced or observed that for the same round trip, you pay different prices depending on direction you are travelling. Discuss the reasons for this practice by

airlines. http://www.wsj.com/articles/airline‐fare‐riddle‐one‐route‐two‐prices‐1420676518