A shop keeper marked 30% above the cost price and offered 20% discount then find it's net profit? Answers:
A) 2%
B) 2.5%
C) 3.7%
D) 4.6%
E) 5%
Net profit = 30-20 + (30*(-25)/100)= 
<gadget id="calculator">30-20 + (30*(-25)/100)</gadget>
<output>5/2 = around 2.5</output>
2.5%   Answer is 2.5%
<result>B</result>
A shop keeper marked 30% above the cost price and offered 20% discount then find it's net profit?