Krishan invested a sum of ₹25,000 in two parts. He earned 11% p.a. simple interest on part 1 and 10% p.a. compound interest compounded annually on part 2. If the total interest received by him after 2 years is ₹5,370, then fmd the sum invested on simple interest.

A

₹11,000

B

₹12,000

C

₹12,500

D

₹13,000