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CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Revenue: |  |  |  |
Total revenues | $ 4,960.1 | $ 4,396.7 | $ 14,363.6 | $ 12,806.4
Cost of sales: |  |  |  |
Total cost of sales | 4,230.9 | 3,749.1 | 12,213.2 | 10,887.3
Gross profit | 729.2 | 647.6 | 2,150.4 | 1,919.1
Selling, general and administrative expenses | 563.4 | 502.3 | 1,652.3 | 1,486.0
Depreciation | 19.8 | 17.3 | 57.7 | 50.6
Operating income | 146.0 | 128.0 | 440.4 | 382.5
Floor plan interest expense | (11.4) | (11.3) | (32.7) | (34.2)
Other interest expense | (16.3) | (12.4) | (49.0) | (37.2)
Equity in earnings of affiliates | 11.0 | 12.7 | 29.7 | 28.7
Income from continuing operations before income taxes | 129.3 | 117.0 | 388.4 | 339.8
Income taxes | (41.7) | (39.7) | (128.2) | (115.7)
Income from continuing operations | 87.6 | 77.3 | 260.2 | 224.1
Loss from discontinued operations, net of tax | (0.1) | (2.2) | (1.1) | (7.2)
Net income | 87.5 | 75.1 | 259.1 | 216.9
Less: Income attributable to non-controlling interests | 0.9 | 0.6 | 3.3 | 2.0
Net income attributable to Penske Automotive Group common stockholders | $ 86.6 | $ 74.5 | $ 255.8 | $ 214.9
Basic earnings per share attributable to Penske Automotive Group common stockholders: |  |  |  |
Continuing operations (in dollars per share) | $ 0.96 | $ 0.85 | $ 2.85 | $ 2.46
Discontinued operations (in dollars per share) | 0.00 | (0.02) | (0.01) | (0.08)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share) | $ 0.96 | $ 0.83 | $ 2.84 | $ 2.38
Shares used in determining basic earnings per share (Note 6) (in shares) | 90.1 | 90.3 | 90.2 | 90.4
Diluted earnings per share attributable to Penske Automotive Group common stockholders: |  |  |  |
Continuing operations (in dollars per share) | $ 0.96 | $ 0.85 | $ 2.85 | $ 2.46
Discontinued operations (in dollars per share) | 0.00 | (0.02) | (0.01) | (0.08)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share) | $ 0.96 | $ 0.83 | $ 2.84 | $ 2.38
Shares used in determining diluted earnings per share (Note 6) (in shares) | 90.1 | 90.3 | 90.2 | 90.4
Amounts attributable to Penske Automotive Group common stockholders: |  |  |  |
Income from continuing operations | $ 87.6 | $ 77.3 | $ 260.2 | $ 224.1
Less: Income attributable to non-controlling interests | 0.9 | 0.6 | 3.3 | 2.0
Income from continuing operations, net of tax | 86.7 | 76.7 | 256.9 | 222.1
Loss from discontinued operations, net of tax | (0.1) | (2.2) | (1.1) | (7.2)
Net income attributable to Penske Automotive Group common stockholders | 86.6 | 74.5 | 255.8 | 214.9
Retail Automotive Dealership |  |  |  |
Revenue: |  |  |  |
Total revenues | 4,585.8 | 4,295.6 | 13,327.5 | 12,495.3
Cost of sales: |  |  |  |
Total cost of sales | 3,923.4 | 3,665.0 | 11,373.2 | 10,628.2
Retail Commercial Truck Dealership |  |  |  |
Revenue: |  |  |  |
Total revenues | 268.5 |  | 703.1 |
Cost of sales: |  |  |  |
Total cost of sales | 228.5 |  | 592.0 |
Commercial Vehicle Distribution and Other |  |  |  |
Revenue: |  |  |  |
Total revenues | 105.8 | 101.1 | 333.0 | 311.1
Cost of sales: |  |  |  |
Total cost of sales | $ 79.0 | $ 84.1 | $ 248.0 | $ 259.1

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