If the cost price of 20 articles is equal to the selling price of 25 articles, what is the % profit or loss made by the merchant? Select the correct option:	A) 25% loss	B) 25% profit	C) 20% loss	D) 20% profit	E) 5% profit
Let the cost price of 1 article be $1.   Therefore, cost price of 20 articles = 20 * 1= 
<gadget id="calculator">20 * 1</gadget>
<output>20</output>
$20   The selling price of 25 articles= cost price of 20 articles = $20.   Now, we know the selling price of 25 articles. Let us find the cost price of 25 articles.   Cost price of 25 articles = 25 * 1= 
<gadget id="calculator">25 * 1</gadget>
<output>25</output>
$25.   Therefore, profit made on sale of 25 articles= Selling price of 25 articles - cost price of 25 articles   = 20 - 25 = -$5.   As the profit is in the negative, the merchant has made a loss of $5.   Therefore, % loss = loss/cp * 100   % loss = -5/25 * 100 = 20% loss.   ANSWER:20% loss
<result>C</result>
If the cost price of 20 articles is equal to the selling price of 25 articles, what is the % profit or loss made by the merchant?