What Is the Implied Service Rate at a Bank Teller's

Multiple Choice

What is the implied service rate at a bank teller's window if demand is 26 customers per hour and the bank staffs are 3 tellers with an average utilization of 80%?

A) Less than 5 customers per hour
B) More than 5 but less than or equal to 10 customers per hour
C) More than 10 but less than or equal to 15 customers per hour
D) More than 15 but less than or equal to 20 customers per hour