What are the ways in which these licenses are available?

AAMS has a variety of different licenses, for the CM AAMS "instance" license (each AAMS server needs one), there are "channel" permission (each bar needs a link).

What are the ways in which these licenses are available?
A . The power suite license contains the "instance and system" license, and only the "channel" license needs to be purchased separately
B . The "DSP channel" license is included in the Power suite license at a ratio of 1:10 and only the "instance and system" license needs to be purchased separately
C . "instance and system" permission, as well as "channel" license need to be purchased separately
D . "DSP channel" license and "instance and system" license, included in the Power suite license at a ratio of 1:10

Answer: C