Note: A waiting line model solver computer package is needed to answer these questions. distribution is used to describe the machine breakdown arrival process. One person from the maintenance department provides the single$-$server repair service for the six machines. second employee to the repair operation. The service rate for each individual assigned to the repair operation is $0\mathrm{.}35$ machines per hour.

$($a$)$ Compute the operating characteristics if the company retains the single$-$employee repair operation. $($Round your answers to four decimal places. Report time in hours.$)$

$L_q=$

$L=$

$w_q=$

$w=$

$($b$)$ Compute the operating characteristics if a second employee is added to the machine repair operation. $($Round your answers to four decimal places. Report time in hours.$)$

$L_q=$

$L=$

$w_q=$

$w=h$

$h$

total cost per hour in dollars. Round your answers to the nearest cent.$)$

$)=(1)=(2$

The total cost to operate all eight machines favors the use of $[$ to maintain and repair them.