Task: Question Answering
Input (English): Problem: a grocer has a sale of rs. 5435, rs. 5927, rs. 5855, rs. 6230 and rs. 5562 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. 4991, b. 5991, c. 3991, d. 6542, e. 6995
Output (English): c