The tax on a commodity is diminished by 30% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?  Answers:
A) 12%
B) 14%
C) 16%
D) 20%
E) 23%
23%xplanation:   100 * 100= 
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
10000   70 * 110= 
<gadget id="calculator">70 * 110</gadget>
<output>7_700</output>
7700   10000------- 2300   100 ------- ?= 23%   23%)
<result>E</result>
The tax on a commodity is diminished by 30% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?