If one of those people doesn't mind running as sys-admin and help-desk for the rest...
Though your $100/m is rather higher than it needs to be for that level of service so you won't need the same number of people for that cost/person, someone is still taking on a part-time job doing admin for others.
If one of those people doesn't mind running as sys-admin and help-desk for the rest...
Though your $100/m is rather higher than it needs to be for that level of service so you won't need the same number of people for that cost/person, someone is still taking on a part-time job doing admin for others.