what is the amount of COGS? and %? is it improving?

.com/60/2237460.pdf7X-Amz Content Sha256-UNSIGNED-PAYLOADEX-Amz-Security-Token woGOYXd2FEYDLOW CONSOLIDATED STATEMENTS OF INCOME Year Ended December 31, 2018 2017 2016 (In millions, except share and per share amounts) $ 20,849.2 1,374.5 561.4 22,785.1 $ 19,824.3 1,048.0 514.6 21,386.9 $ 18,673.2 1,000.7 444.6 20.118.5 Revenue: Retail automotive dealership Retail commercial truck dealership Commercial vehicle distribution and other Total revenues Cost of sales: Retail automotive dealership Retail commercial truck dealership Commercial vehicle distribution and other Total cost of sales Gross profit Selling, general and administrative expenses Depreciation Operating income Floor plan interest expense Other interest expense Equity in earnings of affiliates Income from continuing operations before income taxes Income taxes Income from continuing operations Income (loss) from discontinued operations, net of tax Net income Less: (Loss) income attributable to non-controlling interests Net income attributable to Penske Automotive Group common stockholders 17,790.6 1,163.0 416.6 19,370.2 3,414.9 2,646.3 103.7 664.9 (80.9) (114.7) 134.8 604.1 (134.3) 469.8 0.5 470.3 (0.7) $ 471.0 16,899.5 882.2 382.7 18,164.4 3,222.5 2,516.0 95.1 611.4 (63.4) (107.4) 107.6 548.2 64.8 613.0 (0.2) 612.8 (0.5) $ 613.3 15,968.4 857.8 325.7 17.151.9 2,966.6 2,302.0 89.7 574.9 (50.9) (85.4) 69.5 508.1 (160.7) 347.4 (1.0) 346.4 3.5 $ 342.9