After giving a discount of rs.80 the shopkeeper still gets a profit of 10%,if the cost price is rs.200.find the markup %?  Choices:
A) 31%  B) 33%  C) 28%  D) 30%  E) 32%
cost price=180   s.p=200*110/100= 
<gadget id="calculator">200*110/100</gadget>
<output>220</output>
220   disc=80   so...mark price=216+80=296......   mark up%=261-200/200=61/200= 
<gadget id="calculator">61/200</gadget>
<output>61/200 = around 0.305</output>
0.305 or 31%   31%NSWER:31%
<result>A</result>
After giving a discount of rs.80 the shopkeeper still gets a profit of 10%,if the cost price is rs.200.find the markup %?