Glenn Dental Clinic provides general dental care to residents of Philadelphia on a walk$-$in basis. The clinic has started receiving

complaints from patients that the waiting time is too long and has asked you to investigate whether this problem can be solved.

Upon arrival, customers receive a form from the receptionist and fill out relevant information such as personal health records and

insurance provider. The form is then handed back to the receptionist who enters the information into the computer system for the

dentist to see. A dental assistant then takes an X$-$ray from the patient. A dentist then performs the checkup and discusses any issues

with the patient.

Based on conversations with staff members at the clinic, you have obtained the following information on the process:

It takes about $5$ minutes for a customer to fill out the paperwork.

Entry of information on the paperwork into the system and verification with past records takes another $5$ minutes for a receptionist.

There are two receptionist$($s$).$

It takes $18$ minutes, on average, for the dental assistant to take an X$-$ray. There are five dental assistants on shift at any moment.

There are $11$ dentists working at the clinic. Each checkup takes $35$ minutes, on average.

The following table summarizes the process data collected above.

Assume that there exists unlimited demand, unless otherwise stated. Assume further that the dentists get paid $$125$ per hour while the

receptionists and dental assistants get paid $$35$ per hour.

a$.$ What is the labor content?

Labor content

minutes per patient

b$.$ What is the cost of direct labor?

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.