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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Apr. 28, 2017 | Apr. 29, 2016 | Apr. 24, 2015
Revenues: |  |  |
Product | $ 3,006 | $ 2,986 | $ 3,655
Software maintenance | 965 | 949 | 899
Hardware maintenance and other services | 1,548 | 1,611 | 1,569
Net revenues | 5,519 | 5,546 | 6,123
Cost of revenues: |  |  |
Cost of product | 1,614 | 1,558 | 1,657
Cost of software maintenance | 28 | 37 | 36
Cost of hardware maintenance and other services | 487 | 578 | 597
Total cost of revenues | 2,129 | 2,173 | 2,290
Gross profit | 3,390 | 3,373 | 3,833
Operating expenses: |  |  |
Sales and marketing | 1,633 | 1,792 | 1,913
Research and development | 779 | 861 | 920
General and administrative | 271 | 307 | 284
Restructuring charges | 52 | 108 | 0
Acquisition-related expense | 0 | 8 | 0
Gain on sale of properties | (10) | (51) | 0
Total operating expenses | 2,725 | 3,025 | 3,117
Income from operations | 665 | 348 | 716
Other expense, net | 0 | (3) | (3)
Income before income taxes | 665 | 345 | 713
Provision for income taxes | 156 | 116 | 153
Net income | $ 509 | $ 229 | $ 560
Net income per share: |  |  |
Basic | $ 1.85 | $ 0.78 | $ 1.77
Diluted | $ 1.81 | $ 0.77 | $ 1.75
Shares used in net income per share calculations: |  |  |
Basic | 275 | 294 | 316
Diluted | 281 | 297 | 321

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