The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?  Choose the most appropriate option:
A) 2888	B) 2669	C) 3600	D) 1279	E) 1271
P = 144(100/5)2 =&gt; P = 3600.Answer:3600
<result>C</result>
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?