Study the given chart and answer the question that follows.
The chart shows the quantities of machines (M1, M2, M3) available in different stores (S1, S2, S3, S4).
Which stores have more number of M2 machines than the average number of M2 machines per store?
1
S2 and S4
2
S1 and S3
3
S2 and S3
4
S1 and S4