A person purchased a TV set for Rs. 2000 and a DVD player for Rs. 2000. He sold both the items together for Rs. 6000. What percentage of profit did he make?  Choose the correct choice from the following.
A) 80%  B) 50%  C) 40%  D) 48%  E) 10%
The total CP = Rs. 2000 + Rs. 2000   = Rs. 4000 and SP = Rs. 6000   Profit(%) = (6000 - 4000)/4000 * 100= 
<gadget id="calculator">(6000 - 4000)/4000 * 100</gadget>
<output>50</output>
50%   Answer: 50%
<result>B</result>
A person purchased a TV set for Rs. 2000 and a DVD player for Rs. 2000. He sold both the items together for Rs. 6000. What percentage of profit did he make?