A customer has asked you to design a NAS solution for their file sharing environment that will include SnapSure technology to complement their backup strategy. The current storage environment for file system usage is 5 TB. The customer expects a 10% rate of change per checkpoint and expects a total of 20 checkpoints.
How much additional space is required for the checkpoints?

A.
5 TB

B.
10 TB

C.
20 TB

D.
40 TB