Task: Question Answering
Input (English): Problem: in business , a and c invested amounts in the ratio 4 : 2 , whereas the ratio between amounts invested by a and b was 4 : 1 , if rs 20,000 was their profit , how much amount did a receive . 
Options: a ) 13333 , b ) 26758 , c ) 45896 , d ) 14639 , e ) 89576
Output (English): a