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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Revenues |  |  |  |
Net revenues | $ 1,415.4 | $ 1,395.2 | $ 2,878.0 | $ 2,722.5
Operating expenses |  |  |  |
Compensation and related costs | 549.0 | 483.2 | 989.7 | 974.7
Distribution and servicing | 62.0 | 64.4 | 127.7 | 130.8
Advertising and promotion | 13.4 | 19.8 | 38.3 | 41.4
Product-related costs | 39.6 | 33.4 | 81.2 | 77.6
Technology, occupancy, and facility costs | 111.3 | 104.9 | 216.7 | 203.0
General, administrative, and other | 86.4 | 74.4 | 163.5 | 147.4
Total operating expenses | 861.7 | 780.1 | 1,617.1 | 1,574.9
Net operating income | 553.7 | 615.1 | 1,260.9 | 1,147.6
Non-operating income (loss) |  |  |  |
Net gains on investments | 170.6 | 61.8 | 16.0 | 161.9
Net gains (losses) on consolidated investment products | 242.5 | 62.8 | (87.8) | 164.7
Other income (loss) | 2.0 | (0.1) | (13.4) | 0.7
Total non-operating income (loss) | 415.1 | 124.5 | (85.2) | 327.3
Income before income taxes | 968.8 | 739.6 | 1,175.7 | 1,474.9
Provision for income taxes | 240.3 | 183.7 | 280.6 | 365.0
Net income | 728.5 | 555.9 | 895.1 | 1,109.9
Less: net income (loss) attributable to redeemable non-controlling interests | 125.5 | 28.4 | (51.0) | 69.8
Net income attributable to T. Rowe Price Group | $ 603.0 | $ 527.5 | $ 946.1 | $ 1,040.1
Earnings per share on common stock of T. Rowe Price Group |  |  |  |
Basic (in dollars per share) | $ 2.58 | $ 2.18 | $ 3.99 | $ 4.29
Diluted (in dollars per share) | $ 2.55 | $ 2.15 | $ 3.95 | $ 4.23
Investment advisory fees |  |  |  |
Revenues |  |  |  |
Net revenues | $ 1,293.8 | $ 1,270.2 | $ 2,621.6 | $ 2,464.4
Administrative, distribution, and servicing fees |  |  |  |
Revenues |  |  |  |
Net revenues | $ 121.6 | $ 125.0 | $ 256.4 | $ 258.1

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