Except as reasonable compensation for services rendered or reasonable allowance for authorized expenditures incurred on behalf of the board of managers or the hospital, the net earnings of the board or the hospital may not be used for the benefit of a private officer, board member, individual, or substantial contributor to the board of managers or the hospital. The assets of the board or the hospital may not be distributed to, be divided among, be used for, accrue to, or benefit a private officer, board member, individual, or substantial contributor to the board or the hospital.