A Firm Has Two Separate Phone Systems for Customers to Use

Multiple Choice

A firm has two separate phone systems for customers to use when contacting the firm. A manager is considering combining the two systems into a single system (with the same number of total servers as the two existing systems) . What is likely to be the result of this change?
I. The new system will have higher utilization of servers.
II. The new system will have longer wait times for customers.
III. The new system will have shorter wait times for customers.

A) I only.
B) II only.
C) III only.
D) I and II only.
E) II and III only.