Since our PERT analysis is validated. We will use the result of the PERT analysis for further analysis. On average, there are about $1900$ turnovers per year at your hospital.

The OR costs $\backslash (\backslash$$ $37\backslash )$ per minute to run, on top of the fixed cost.

$7.$ If we hire an Anesthesia Assistant $($AA$).$ The cost is $\backslash (\backslash$mathbf$\{15,5000\}\backslash )$ per year. We can reduce the optimistic, most likely, and pessimistic times of activity $\backslash ($ B $\backslash )$ to $\backslash (\backslash$mathbf$\{25,31\}\backslash ),$ and $43$ minutes with respectively. Resolve the PERT and present all the information in

Q$3.$ What is the mean ORTOT reduction? $(5$ points$)$

$-$The Mean ORTOT reduction if we hire an Anesthesia Assistant is $32\mathrm{.}00.$