Which of the following is not considered a reasonable business purpose to allow a landlord to enter a tenant’s unit?

The tenant is moving out and the landlord wants to show the apartment to a prospective tenant.
The tenant has died, and the landlord wants to prepare an inventory of the tenant’s possessions.
The landlord wishes to provide housekeeping services per its service plan with the tenant.
The landlord hasn’t seen the tenant recently and wants to determine if the tenant has moved out.

The landlord wishes to provide housekeeping services per its service plan with the tenant.