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v3.10.0.1

Consolidated Statements of Income (Loss) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Revenue |  |  |
Revenue | $ 2,164 | $ 2,156 | $ 2,322
Cost of revenue |  |  |
Cost of revenue | 1,138 | 1,132 | 1,133
Gross profit | 1,026 | 1,024 | 1,189
Operating expenses |  |  |
Selling, general and administrative expenses | 666 | 651 | 662
Research and development expenses | 317 | 305 | 212
Impairment of goodwill and other assets | 0 | 0 | 80
Total operating expenses | 983 | 956 | 954
Income from operations | 43 | 68 | 235
Interest expense | (22) | (15) | (12)
Interest income | 14 | 11 | 6
Other expense | (8) | (6) | (8)
Total other expense, net | (16) | (10) | (14)
Income before income taxes | 27 | 58 | 221
Income tax (benefit) expense | (3) | 125 | 96
Net income (loss) | $ 30 | $ (67) | $ 125
Net income (loss) per weighted average common share |  |  |
Basic (in usd per share) | $ 0.25 | $ (0.53) | $ 0.96
Diluted (in usd per share) | $ 0.25 | $ (0.53) | $ 0.95
Weighted average common shares outstanding |  |  |
Basic (in shares) | 119.2 | 125.8 | 129.7
Diluted (in shares) | 121.2 | 125.8 | 131.5
Recurring |  |  |
Revenue |  |  |
Revenue | $ 1,254 | $ 1,145 | $ 1,135
Cost of revenue |  |  |
Cost of revenue | 374 | 304 | 271
Perpetual software licenses and hardware |  |  |
Revenue |  |  |
Revenue | 340 | 429 | 600
Cost of revenue |  |  |
Cost of revenue | 222 | 259 | 318
Consulting services |  |  |
Revenue |  |  |
Revenue | 570 | 582 | 587
Cost of revenue |  |  |
Cost of revenue | $ 542 | $ 569 | $ 544

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