When creating a slice for your database replicas, how much space should be allocated to the slice?

When creating a slice for your database replicas, how much space should be allocated to the slice?

A.
8 Kbytes in size for each replica that it will store.

B.
4 Kbytes in size for each replica that it will store.

C.
4 Mbytes in size for each replica that it will store.

D.
8 Mbytes in size for each replica that it will store.