Money in the children’s trust fund of each county shall be used to fund child abuse and neglect prevention and intervention programs operated by private nonprofit organizations or public institutions of higher education with recognized expertise in fields related to child welfare. The designated commission shall establish criteria for determining those programs which shall receive funding. The commission shall accept all program proposals that meet criteria set by the commission, shall prioritize these proposals, and shall make recommendations to the board of supervisors as to those proposals which the commission feels should receive funding. The board of supervisors shall make the final decision as to which programs shall be funded. The county shall use no more than 5 percent of the amounts in the trust fund for administrative costs.