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FINANCIAL STATEMENTS SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY STATEMENTS OF COMPREHENSIVE INCOME (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥)
Operating cost and expenses: |  |  |  |
General and administrative | ¥ (154,963) | $ (23,749) | ¥ (230,248) | ¥ (150,465)
Total operating cost and expenses | 998,053 | 152,958 | 1,695,507 | 2,196,734
Operating income | 302,107 | 46,300 | 534,669 | 685,206
Interest income | 7,716 | 1,183 | 5,720 | 169
Other income (loss) , net | 6,711 | 1,029 | 23,425 | 20,298
Income tax expense | 108,811 | 16,676 | 37,007 | 93,915
Other comprehensive income, net of tax |  |  |  |
Change in cumulative foreign currency translation adjustment | (13,366) | (2,048) | 471 |
Total comprehensive income attributable to Jiayin Group Inc. | 239,597 | 36,721 | 528,216 | 611,758
Parent Company |  |  |  |
Operating cost and expenses: |  |  |  |
General and administrative | (6,740) | (1,033) | (2,886) |
Total operating cost and expenses | (6,740) | (1,033) | (2,886) |
Operating income | (6,740) | (1,033) | (2,886) |
Interest income | 7,701 | 1,180 | 4,910 |
Other income (loss) , net | (67,169) | (10,294) | 1 |
Income before taxes and income from equity in subsidiaries and VIEs | (66,208) | (10,147) | 2,025 |
Income tax expense | 0 | 0 | 0 | 0
Equity in earnings of subsidiaries and VIEs | 319,091 | 48,904 | 525,722 | 611,758
Net income | 252,883 | 38,757 | 527,747 | 611,758
Other comprehensive income, net of tax |  |  |  |
Change in cumulative foreign currency translation adjustment | (13,286) | (2,036) | 469 |
Other comprehensive income (loss) | (13,286) | (2,036) | 469 |
Total comprehensive income attributable to Jiayin Group Inc. | ¥ 239,597 | $ 36,721 | ¥ 528,216 | ¥ 611,758

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