The tax on a commodity is diminished by 40% but its consumption is increased by 25%. Find the decrease percent in the revenue derived from it? Choose the correct choice from the following choices.
A) 18%	B) 72%	C) 25%	D) 12%	E) 52%
100 * 100= 
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
10000   60 * 125= 
<gadget id="calculator">60 * 125</gadget>
<output>7_500</output>
7500   10000------- 2500   100 ------- ?=25%   Answer:25%
<result>C</result>
The tax on a commodity is diminished by 40% but its consumption is increased by 25%. Find the decrease percent in the revenue derived from it?