Every home for the aged established under this act and not leased by the board of county commissioners as provided for under Kan. Stat. Ann. §§ 19-2112 or any amendments thereto, may be operated under the supervision of the county board of commissioners or if the board of county commissioners determines that it is in the best interests of the county such board may appoint a board of trustees to operate the home or may designate the board of trustees of the county hospital of the county as the board of trustees for the operation of such home. Such home for the aged shall be for the benefit of all the inhabitants of such county; but every such inhabitant or person who is not a recipient of assistance shall pay to the county board of commissioners or board of trustees for the home a reasonable compensation, to be established by the county board of commissioners, or board of trustees for the home for their care, and the county board of commissioners or board of trustees of such home may extend the privileges and use of such home to persons residing outside of the county upon such terms and conditions as the board may, from time to time, by its rules and regulations prescribe. The county board of commissioners or board of trustees of such home is hereby authorized to promulgate and adopt rules and regulations pertaining to the operation, management and control of homes for the aged. The county board of commissioners or board of trustees of such home shall appoint a responsible and qualified person who shall at all times be in charge of the home, who shall be known as the administrator, and such other employees as is deemed necessary for the proper and adequate care of the residents in the home.