Task: Question Answering
Input (English): Problem: raman , lakshmi and muthu enter into partnership . raman invests some money at the beginning , lakshmi invests double the amount after 6 months , and muthu invests thrice the amount after 8 months . if the annual gain be rs . 36000 . lakshmi ' s share is ? 
Options: a ) 12000 , b ) 14000 , c ) 8000 , d ) 5000 , e ) 3000
Output (English): a