The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.432. Find the principal?  Choose the correct choice from the following.
A) 2277
B) 2667
C) 3600
D) 9766
E) 10800

Rationale: p = 432 ( 100 / 5 ) ^ 2 = > p = 10800 answer : e
Answer: E