What is the correct sequence to assign technical system(s)?

You are using the Solution Administration function within the SAP Solution Manager to create a new solution.

What is the correct sequence to assign technical system(s)?
A . Maintain Logical Component Group -> Assign Technical System
B . Maintain a Branch -> Assign Technical System
C . Maintain Logical Component -> Assign Technical System
D . Maintain System Role -> Assign Technical System

Answer: A