A sum of Rs 800 becomes Rs 1000 in 2 years at simple interest. What is the per annum rate of interest (in percent)?_x005F_x000D_

• A. 12.5_x005F_x000D_
• B. 25_x005F_x000D_
• C. 8.5_x005F_x000D_
• D. 17