Task: Question Answering
Input (English): Problem: rs 3200 is divided into two parts such that one part is put out at 3 % and the other at 5 % . if the annual interest earned from both the investments be rs 144 , find the first part . 
Options: a ) s 400 , b ) s 200 , c ) s 800 , d ) s 500 , e ) s 100
Output (English): c