In 2020, Satyam invested a sum in scheme A at a rate of 10% annual compound interest for two years and earned 1050 Rs. as interest. He also invested 10000 in scheme B at a rate of 37.5% per annum simple interest for two years. Now in the year 2022 if he infuses the total amount received from schemes A and B in another scheme at a 15% rate of interest compounded annually for 2 years then find the interest earned (approx) by him in this scheme.