The correct answer is: [D]: " $1,020 " .
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20% = 20/100 = 2/10 = 0.2
850 + (20% of 850) =
850 + (0.2 * 850) =
850 + (170) = 1,020 .
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The correct answer is: Answer choice: [D]: " $1,020 " .
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