单项选择题
If a portion of $10,000 is invested at 6% and the remaining portion is invested at 5%, and if x represents the amount invested at 6%, what is the annual income in dollars from the 5% investment?
A.0.05(10,000-x)B.0.05(x+10,000)
C.5(x-10,000)
D.5(10,000-x)
E.0.05(x+10,000)
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