A trader marks his books 30% more than the cost price. If he allows 30% discount, then find his gain or loss percent? Pick one.
A) 2% profit B) 2% loss C) 4% loss D) No profit No loss E) 9% loss
Let CP of an book = 100   MP of an book = 130   Discount 30 % on 130 = 39   SP of the book = 130 - 39= 
<gadget id="calculator">130 - 39</gadget>
<output>91</output>
91   loss= 9%   Answer : 9% loss
<result>E</result>
A trader marks his books 30% more than the cost price. If he allows 30% discount, then find his gain or loss percent?