The tax on a commodity is diminished by 25% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?  Select
A) 12 %  B) 14 %  C) 16 %  D) 20 %  E) 17.5 %

Rationale: "explanation : 100 * 100 = 10000 75 * 110 = 8250 10000 - - - - - - - 1750 100 - - - - - - - ? = 17.5 % e )"
Answer: E