A datacenter has 100 TB of Tier 1 storage, 600 TB of Tier 2 storage and a large tape library. HSM is moving data from Tier 1 to Tier 2 at the rate of 5 TB per month, while 10% of Tier 2 data is transferred to tape per year. The storage administrator is asked to forecast the amount of new Tier 2 storage that will be needed over the next two years. Which of the following does the administrator report?
A. 0 TB
B. 5 TB
C. 60 TB
D. 120 TB
