The tax on a commodity is diminished by 20% and its consumption increased by 25%. The effect on revenue is?
Choose the correct choice from the following options
A) 2% decrease
B) 8% decrease
C) 9% decrease
D) 0% No change
E) 2% decrease
100 * 100= 
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
10000   80 * 125= 
<gadget id="calculator">80 * 125</gadget>
<output>10_000</output>
10000   -----------   10000-----------0   100-----------?=&gt; 0% No change   Answer: 0% No change
<result>D</result>
The tax on a commodity is diminished by 20% and its consumption increased by 25%. The effect on revenue is?