Subject: mathqa
Question: a grocer has a sale of rs . 4435 , rs . 4927 , rs . 4855 , rs . 5230 and rs . 4562 for 5 consecutive months . how much sale must he have in the sixth month so that he gets an average sale of rs . 4500 ?
Option: 
A: 3991
B: 2991
C: 1991
D: 4521
Answer: B