the tax on a commodity is diminished by 12 % and its consumption increased by 10 % . the effect on revenue is ?
"100 * 100 = 10000 88 * 110 = 9680 - - - - - - - - - - - 10000 - - - - - - - - - - - 320 100 - - - - - - - - - - - ? = > 3 % decrease answer : c"
subtract(const_100, multiply(multiply(add(const_1, divide(10, const_100)), subtract(const_1, divide(12, const_100))), const_100))