What should be included in the monthly rates of a cleaning company?

Wages and fees
National insurance and legal insurance
Gross margin
Public holidays
Incidental leave
Guaranteed weekly and monthly wages
Holidays and days off
Work clothes
Transport expenses
Occupational medicine
Supply and write-off of products, equipment and machines, their maintenance, orders and stock keeping
Administrative, social and technical personnel management
Supervision, inspection and control costs
Insurances