The following bar graph shows the number of coolers sold by shopkeepers A and B in different years. Study the graph and answer the question that follows.
The total number of coolers sold by shopkeeper B in 1995 and 1998 together is approximately what percentage more/less than the total number of coolers sold by the shopkeeper A in 1996 and 1997 together ?
1
4% more
2
4% less
3
6% less
4
6% more