the tax on a commodity is diminished by 25 % and its consumption increased by 13 % . the effect on revenue is ?
"100 * 100 = 10000 75 * 113 = 8475 - - - - - - - - - - - 10000 - - - - - - - - - - - 1525 100 - - - - - - - - - - - ? = > 15 % decrease answer : d"
subtract(const_100, multiply(multiply(add(const_1, divide(13, const_100)), subtract(const_1, divide(25, const_100))), const_100))