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INCOME TAXES (Tables)
6 Months Ended
Jun. 30, 2020
INCOME TAXES  
Schedule of effective tax rate that differs from that computed at the federal statutory rate

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Three Months Ended

    

Six Months Ended

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June 30, 

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June 30, 

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2020

    

2019

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2020

    

2019

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Federal corporate tax rate

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21.00

%  

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21.00

%  

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21.00

%  

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21.00

%  

Effect of:

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State taxes, net of federal benefit

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1.66

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(2.47)

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1.61

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(0.51)

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General business tax credits

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(1.61)

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(0.55)

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(1.47)

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(0.68)

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Nontaxable income

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(0.71)

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(1.27)

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(0.71)

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(0.89)

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Other, net

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(0.98)

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(1.72)

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(0.36)

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(0.63)

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Effective tax rate

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19.36

%  

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14.99

%  

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20.07

%  

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18.29

%