A . 2000000/(6000000-2000000)=50%B . 2000000/(6000000+500000-2000000)=44.44%C . (2000000+170000)/(6000000+500000-2000000)=48.22%D . (2000000+170000-10200)/(6000000+500000-2000000)=47.996%
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