Task: Question Answering
Input (English): Problem: a , b and c enter into partnership . a invests some money at the beginning , b invests double the amount after 6 months , and c invests thrice the amount after 8 months . if the annual gain be rs . 27000 . a ' s share is ? 
Options: a ) 9000 , b ) 2778 , c ) 6000 , d ) 2889 , e ) 6612
Output (English): a