find the c . i . on a sum of rs . 10000 for 6 months at 25 % per annum , interest being compounded quarterly ?
c . i . = 2000 ( 21 / 20 ) ^ 2 - 1800 = 1289 answer : c
subtract(multiply(10000, multiply(add(const_1, divide(const_0_25, const_4)), add(const_1, divide(const_0_25, const_4)))), 10000)