If a discount of 16% is given on the marked price of a book, the publisher gains 20%. If the discount is increased to 20% the gain percent is Choose the correct choice from the following answers:
A) 14 2/7%	B) 14 1/7%	C) 14 3/7%	D) 14 4/7%	E) 14 5/7%
Let MP = 100, then SP = 100 - 16= 
<gadget id="calculator">100 - 16</gadget>
<output>84</output>
84.   CP= SP*100/(100 + Gain%) = 8400/120= 
<gadget id="calculator">8400/120</gadget>
<output>70</output>
70.   When discount= 20, SP = 80.   Thus gain % = (80 - 70)/70 * 100 = 14 2/7 %.   14 2/7%NSWER:14 2/7%
<result>A</result>
If a discount of 16% is given on the marked price of a book, the publisher gains 20%. If the discount is increased to 20% the gain percent is