Task: Question Answering
Input (English): Problem: in business , a and c invested amounts in the ratio 3 : 2 , whereas the ratio between amounts invested by a and b was 3 : 4 , if rs 30,000 was their profit , how much amount did b receive . 
Options: a ) 1235 , b ) 62896 , c ) 6666 , d ) 8974 , e ) 5626
Output (English): c