A dishonest dealer claims to sell a product at its cost price. He uses a counterfeit weight which is 20% less than the real weight. Further greed overtook him and he added 15% impurities to the product. Find the net profit percentage of the dealer?	Choose the correct choice from the following options: A) 46.85% B) 43.75% C) 50% D) 56.25% E) 36%
The dealer uses weight which is 20% less than the real weight. or (1- 1/5) or 4/5 of real weight.   It means that he is selling $4 worth of product for $5.   The dealer then further added 20% impurities to the product.   It means that he is selling $5 worth of product for $5.75.   So his profit is $5.75-$4 = $1.75   and his profit percent is   (1.75/4)*100 5.75- 4= 
<gadget id="calculator">5.75- 4</gadget>
<output>1.75</output>
$1.75   and his profit percent is    (1.75/4)*100= 
<gadget id="calculator"> (1.75/4)*100</gadget>
<output>43.75</output>
43.75%   Answer:- 43.75%
<result>B</result>
A dishonest dealer claims to sell a product at its cost price. He uses a counterfeit weight which is 20% less than the real weight. Further greed overtook him and he added 15% impurities to the product. Find the net profit percentage of the dealer?