Microeconomics Homework

Aloha Airlines provided air services between the Hawaiian Islands and controlled the largest share of this market for much of its existence.  However on March 30, 2008, the airline announced that it would suspend all flights and cease operation the next day.  The company cited high fuel prices as one of the primary reasons for their closure.

Assuming the company had previously been earning monopoly profits (as illustrated in the graph below), explain and illustrate why an increase in the price of jet fuel led to the closing of Aloha Airlines.