A sum amounts to Rs.3087 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?	Choose the correct choice from the following choices.
A) s.4000
B) s.5000
C) s.4500
D) s.4800
E) s.2800
CI=3087,R=5,N=2   CI=P[1+R/100]^2   =P[1+5/100]^2   3087=P[21/20]^2   3087[20/21]^2   2800   ANSWs.2800R:s.2800
<result>E</result>
A sum amounts to Rs.3087 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?