Ravi invests Rs. 50,000 at 3% per annum for 2 years at simple interest. After he had completed 2 years, he also invests all the amount at 15% per annum for 2 years on compound interest. What is the total interest made by Ravi?

1. 20,092.5

2. 25,007.5

3. 17,092.5

4. 20,095

5. 17,095