Your store starts with two full$-$time managers, and there must be at least one manager on site from an hour before the shop opens until an hour after closing. If you are open from $7$ am to $11$ pm$,$ Monday through Friday, how many hours will each manager have to work?

Managers can wait on customers, but you will need to hire part$-$time servers to provide good customer service. If you are open $16$ hours daily $($M$-$F$),$ how many servers will you need to employ in order to have one server working at all times? Remember that servers work about $10$ hours per week.

Assume there are two servers and one manager on staff all day, and the shop is open from $8$ am to $8$ pm$.$ Calculate the daily service capacity if the average server can serve $15$ cups of coffee in an hour, and the manager can serve $4.$

What factors will improve employee productivity? What might limit the service capacity of your caf$$