After giving a discount of rs.100the shopkeeper still gets a profit of 30%,if the cost price is rs.1000.find the markup %? Options:  A) .50  B) .45  C) .40  D) .48  E) .52
cost price=1000   s.p=1000*130/100= 
<gadget id="calculator">1000*130/100</gadget>
<output>1_300</output>
1300   disc=100   so...mark price=1300+100=1400......   mark up%=1400-1000/1000=400/1000= 
<gadget id="calculator">400/1000</gadget>
<output>2/5 = around 0.4</output>
.40 (OR) 40%   ANSWER:.40
<result>C</result>
After giving a discount of rs.100the shopkeeper still gets a profit of 30%,if the cost price is rs.1000.find the markup %?