the tax on a commodity is diminished by 32 % but its consumption is increased by 12 % . find the decrease percent in the revenue derived from it ?
"100 * 100 = 10000 68 * 112 = 7616 10000 - - - - - - - 2384 100 - - - - - - - ? = 24 % answer : e"
subtract(const_100, divide(multiply(add(const_100, 12), subtract(const_100, 32)), const_100))