Delta Airlines completed a merger with Northwest Airlines in 2008. Visit Delta's Web site and download a copy of its 2009 annual report. Review the financial statements and accompanying notes for evidence of current and past acquisition activities.

a. What amounts does Delta report for goodwill and other intangible assets at December 31, 2009?
b. Summarize Delta's intangible assets from recent acquisitions.
c. Briefly summarize Delta's amortization policies related to intangible assets. What accounting methods and lives are assigned to the assets?
d. Does Delta report material balance sheet or income statement amounts for noncontrolling interests in 2009?