Delta Air Lines, Inc. (DAL) provides cargo and passenger services throughout the world. The following operating data (in millions) were adapted from recent financial statements of Delta. Year 1 Year 2 Revenue $37,773 $40,362 Operating Expenses: Fuel $(9,397) $(11,668) (13,225) Aircraft related (13,070) Selling and general (9,829) (10,905) Other expenses (1,922) (2,513) Total operating expenses $(34,373). $(38,156). Operating income $3,400 $2,206 1. Prepare common-sized income statements for Years 1 and 2. Round to one decimal place. 2. Using your answer to (1), analyze and comment on the performance of Delta in Year 2