Task: Question Answering
Input (English): Problem: a and b invests rs . 10000 each , a investing for 9 months and b investing for all the 12 months in the year . if the total profit at the end of the year is rs . 21000 , find their shares ? 
Options: a ) 1300,1500 , b ) 9000,12000 , c ) 7290,8000 , d ) 15000,12000 , e ) 72821,75000
Output (English): b