Problem: a sum of rs . 2704 is lent into two parts so that the interest on the first part for 8 years at 3 % per annum may be equal to the interest on the second part for 3 years at 5 % per annum . find the second sum ? 
Options: a ) 1672 , b ) 1664 , c ) 1677 , d ) 1698 , e ) 1679
b