Which statement about the administration costs, based on the Parity Research of TCO, is true?

Which statement about the administration costs, based on the Parity Research of TCO, is
true?

A.
HDD admin costs were 100% higher.

B.
HDD admin costs were 500% higher.

C.
HDD admin costs were 1000% higher.

D.
HDD admin costs were 5000% higher

Explanation:

http://wikibon.org/wiki/v/Performance_Centric_Data_Storage_TCO_Study_Demonstrates_C
ost_Advantages_of_Flash_Arrays