The tax on a commodity is diminished by 12% and its consumption increased by 10%. The effect on revenue is?  Answers.
A) 8 B) 6 C) 3 D) 5 E) 4
100 * 100= 
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
10000   88 * 110= 
<gadget id="calculator">88 * 110</gadget>
<output>9_680</output>
9680   -----------   10000-----------320   100-----------?=&gt; 3% decrease   Answer:3
<result>C</result>
The tax on a commodity is diminished by 12% and its consumption increased by 10%. The effect on revenue is?