the tax on a commodity is diminished by 10 % and its consumption increased by 15 % . the effect on revenue is ?
"100 * 100 = 10000 90 * 115 = 10350 - - - - - - - - - - - 10000 - - - - - - - - - - - 350 100 - - - - - - - - - - - ? = > 3.5 % decrease answer : b"
subtract(const_100, multiply(multiply(add(const_1, divide(15, const_100)), subtract(const_1, divide(10, const_100))), const_100))