The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.288. Find the principal?	Choose one:
A) 2277 B) 2667 C) 3600 D) 7200 E) 1811
P = 288(100/5)^2 =&gt; P = 7200   Answer: 7200
<result>D</result>
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.288. Find the principal?