Sum of 15625 is to be divided between two brothers, Raghav and Rakesh who are 18 and 19 years old respectively. The amount is to be divided in such a way that if their share be invested at 25/3% per annum compound interest compounded annually, they both will receive equal amounts, when their age will be 22 years. Find the present share of Raghav?

• A. Rs. 5500
• B. Rs. 7500
• C. Rs. 6500
• D. Rs. 7000
• E. None of these