A trader marks his books 40% more than the cost price. If he allows 40% discount, then find his gain or loss percent? Select the correct option
A) 2% profit	B) 16% loss	C) 4% loss	D) No profit No loss	E) None of these
Let CP of an book = 100   MP of an book = 140   Discount 40 % on 140 = 56   SP of the book = 140 - 56= 
<gadget id="calculator">140 - 56</gadget>
<output>84</output>
84   loss= 16%   Answer : 16% loss
<result>B</result>
A trader marks his books 40% more than the cost price. If he allows 40% discount, then find his gain or loss percent?