Sweet Memories Inc is a company that produces Customized Family Portraits. Preparing a Family Portrait involves $3-$steps: Collect the Images and Stories, Edit, and Print. The staffing and processing times $($for each employee$)$ of the $3$ steps are given below: Step $1$: Collect Step $2$: Edit Step $3$: Print Staffing $6$ employees $2$ employee $4$ employees Processing time $($seconds$/$portrait

$)703045$

Sweet Memories Inc's owner wants to increase the process capacity and to do that she is planning to add a new employee. What will be the new capacity of the process in portraits per hour, assuming that the new employee is staffed at one $($and only one$)$ resource with the intent to maximize capacity? $($decimal format is either $000\mathrm{.}00$