At what percent age above the C.P. must an article be marked so as to gain 33% after allowing a customer a discount of 5%?  Choose the correct choice from the following options.
A) 10% B) 15% C) 20% D) 25% E) 40%
Let C.P. = $100   Then, S.P. = $133   Let marked price be $x   Then, 95% of x = 133   95x/100 = 133   x = 133*100/95= 
<gadget id="calculator">133*100/95</gadget>
<output>140</output>
140   Marked price= 40% above the C.P.   Answer is 40%
<result>E</result>
At what percent age above the C.P. must an article be marked so as to gain 33% after allowing a customer a discount of 5%?