Certkiller .com currently backs up, on average, 400 GB a day Monday through Friday and 2 TB on Saturday. The company would like to keep two weeks of backups on a CLARiiON Disk Library. They expect its disk usage to grow 10% a year. They would like a solution that will be good for three years. Which model of CLARiiON Disk Library do you recommend?

A.
DL520

B.
DL740

C.
DL720

D.
DL310