The tax on a commodity is diminished by 15% and its consumption increased by 10%. The effect on revenue is?	Choose the correct choice from the following choices
A) 8.5	B) 6.5	C) 5.5	D) 5.6	E) 4.4

Rationale: "100 * 100 = 10000 85 * 110 = 9350 - - - - - - - - - - - 10000 - - - - - - - - - - - 650 100 - - - - - - - - - - - ? = > 6.5 % decrease answer : b"
Answer: B