$1.$ Designing an architecture can be what?

a$.$ Tedious and therefore younger members of the team are usually urged to take the lead.

b$.$ Easy and therefore more experienced members of the department take the lead.

c$.$ Easy and therefore outside consultants are often sourced to do the task.

d$.$ Easy and therefore experienced internal members are sourced to the task.

e$.$ Difficult and therefore, many organizations use the skills of experienced, expert system architects $($consultants or employees$)$ who specialize in the task.