Denver, CO-Based Health Care Co Davita Pretax Income Was $47 Mil in the 4Q 2017 and $260 Mil in the 4Q 2016, With the Decline Due to 4Q 2017 Asset Impairment Charges of $280 Mil ....................................................................................... On the Other Hand, 4Q 2017 After-Tax Net Income Was $197 Mil, Up $21 Mil From the 4Q 2016 Net Income of $176 Mil ....................................................................................... This Positive Income Reversal Was Due To a 4Q 2017 Income Tax Benefit of $252 Mil Resulting From the US Federal Income Tax Debt Forgiveness Feature Included in the US Trump Tax Cuts Act