A person invested a sum of Rs. 25000 in three different schemes, the first scheme provides 15% interest compounded annually. The second scheme provides 48% interest compounded quarterly and the third scheme provides 20% simple interest per annum. The first, second and third schemes are for 2 years, 1 year and 3 years respectively. Total interest obtained from all three schemes is Rs. 17665. If the interest obtained by a person from the first scheme is Rs. 2580, then find the principal invested in the second and third scheme together.