How to deploy staff in a 70-room business hotel?

Housekeeping department 2 1 person (one supervisor, four foremen, one in the morning shift, one in the middle of the night, another in the first shift, sometimes the floor can be topped, six waiters in the morning shift, three waiters in the first shift, two waiters in the middle shift, one in the night shift, four clerks in the service center, one in the morning shift and one in the middle of the night! Class 1) PA Department 15 (one supervisor, three foremen, one early shift, three late shifts, three early shifts, one room manager in the front office (one supervisor, two foremen, one early shift, four receptionists, one early shift and three cashiers).