The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.288. Find the principal?	Answers:  A) 2277  B) 2667  C) 3600  D) 7200  E) 1811

Rationale: "p = 288 ( 100 / 5 ) ^ 2 = > p = 7200 answer : d"
Answer: D