Krishna borrowed \[\text{Rs}\text{.}\]6800 for 3 years from a co-operative society. If he was charged simple interest at the rate of \[12\frac{1}{2}%\] per annum, what amount did he pay back?

• A. \[\text{Rs}\text{.}\] 10600
• B. \[\text{Rs}\text{.}\] 12160
• C. \[\text{Rs}\text{.}\] 11250
• D. \[\text{Rs}\text{.}\]9350