Question 15 (Mandatory) (4 points) Saved Five mechanics run Quick-Car-Service. All customers go through reception (5 minutes), followed by tire-rotation (20 minutes), followed by oil-change (30 minutes), followed by billing (10 minutes). A sixth employee, the receptionist, receives customers, after which one of the five mechanics takes the customer's vehicle through the rest of the process (tire-rotation, oil-change, billing). It is recommended you use the table below in your calculation (you do not have to turn it in). Unit load (min/ Effective Capacity Resource pool size customer) (customer/ (employee) Pool Effective Capacity (customer/min) Pool Effective Capacity (customer/hr) min) Receptionist Mechanics What is the number of customers that can be serviced per hour by the business? a) 4 customers/hour b) 5 customers/hour c) 6 customers/hour d) 12 customers/hour