Task: Question Answering
Input (English): Problem: a grocer has a sale of rs . 5255 , rs . 5840 , rs . 5921 , rs . 6022 and rs . 6499 for 5 consecutive months . how much sale must he have in the sixth month so that he gets an average sale of rs . 5500 ? 
Options: a ) 3463 , b ) 4463 , c ) 5463 , d ) 4063 , e ) 5063
Output (English): b