Kellogg Company (K) produces, markets, and distributes cereal and food products including Cheez-It, Coco Pops, Rice Krispies, and Pringles. The following partial income statements (in millions) were adapted from recent financial statements. Year 1 Year 2 Sales $13,014 $12,923 Cost of goods sold (8,259) (7,901) Gross profit $ 4,755 $5,022 Selling and administrative expenses (3,360) (3,076) Operating income $1,395 $1,946 General Mills Inc. (GIS) produces, markets, and distributes cereal and food products including Cheerios, Wheaties, Cocoa Puffs, Yoplait, and Pillsbury branded products. The following partial income statements (in millions) were adapted from recent financial statements. Year 1 Year 2 Sales $15,620 $15,740 Cost of goods sold (10,056) (10,313) Gross profit $ 5,564 $5,427 Selling and administrative expenses (2,801) (2,753) Operating income $2,763 $2,674 Kellogg's operating income as a percent of sales was 10.7% compared to General Mills' 17.7%. In Year 2, Kellogg's operating income as a percentage of sales 4.4%; however, General Mills' income as a percentage of sales This difference was caused by Kellogg's compared to General Mills' Kellogg's selling and administrative expenses General Mills' by by 0.7%. of 2.4% in cost of goods sold of 1.1% in cost of goods sold. In Year 2, by 2.0% compared to of 0.4%. Thus, Kellogg's Year 2 operating performance improved relative to General Mills' operating performance