The compound interest on a certain sum for 2 years at a certain rate of interest is Rs.1,996.80 if the interest is compounded annually, and the simple interest on the same sum for the same time and at the same rate of interest is Rs.1,920. The amount (in Rs) for the same sum, interest compounded annually, at the same rate of interest for 3 years is:

• A. 14,761.35
• B. 14,167.34
• C. 15,116.544
• D. 15,611.45