A person has Rs. 30000 and he invested in four schemes. In 1^st scheme he invested 10% of the sum at the rate of 20% per annum, while in 2^nd scheme he invested 12% of the amount at the rate of 10% per annum, while in 3^rd scheme he invested 25% at the rate of 20% per annum, while in 4^th scheme he invested remaining amount at the rate of 25% per annum. After 2 years what is the total amount received by the person.