Answer:
d. junior sales reps
Step-by-step explanation:
Having developed the majority of the accounts and experiencing vast growth at the moment, Dave's firm has gone through the hard moments of building up an account base.
Significantly simpler task (but not negligible) is the task regarding the maintenance and customer care of established accounts (order getting, order taking, or sales support). Having that in mind, it is evident that those duties can be taken care of by junior sales representatives.
These representatives are innovative and responsible when it comes to maintaining existing accounts. They know how to perform proper analyses that would help them establish a strong sales connection with a particular account. Also, they can handle diverse account groups, while it is better to keep the customer acquisition process for senior sales reps.