If the simple interest on a certain amount in at 4% rate 5 years amounted to Rs.2160 less than the principal. What was the principal?  Choose the correct choice from the following answers:
A) 1500
B) 2500
C) 2700
D) 3200
E) 11500
P - 2160 = (P*5*4)/100   P = 2700   Answer: 2700
<result>C</result>
If the simple interest on a certain amount in at 4% rate 5 years amounted to Rs.2160 less than the principal. What was the principal?