On December 31, Sleek Corporation reported, on its annual report, the following (in millions): Year 2 Year 1 Operating income $4,171.9 $3,601.0 Net earnings $2,818.9 $2,759.3 Calculate year-over-year increase or (decrease) in net earnings, in percentage terms. Select one: O a. 16.5% b. 2.2% c. 15.9% d. None of the these are correct. e. 2.1%