Mohit sold an article for $21000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price of the article?	Choose the correct answer: A) 16000 B) 25000 C) 15000 D) 18000 E) 17500
Let the CP be $x.   Had he offered 10% discount, profit = 8%   Profit = 8/100 x and hence his SP = x + 8/100 x = $1.08x = 21000 - 10/100(21000) = 21000 - 2100= 
<gadget id="calculator">21000 - 2100</gadget>
<output>18_900</output>
$18900=&gt; 1.08x = 18900   =&gt; x = 17500   17500
<result>E</result>
Mohit sold an article for $21000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price of the article?