What steps has JetBlue taken to manage these unit-level activities more efficiently?

Project: JetBlue Airways: The questions in this assignment are based on JetBlue Airways Corporation. To answer the question, you will need to download JetBlue’s 2008 10-K (annual report at www.hoovers.com. Clikc on the link, do a search for JetBlue Airways then clikc on the link called SEC filings. Download the 2008 10-K (filed on 2/13/2009) and answer the following question:

How can the concept of unit-level activities (from accounting principle) be applied to an airline? More specifically, what are two examples of unit-level activities for JetBlue? What steps has JetBlue taken to manage these unit-level activities more efficiently?