All fees, costs and expenses of establishing and administering the plan and the trust and investing the assets of the trust shall be borne by the participants and paid from assessments against the balances of the individual investment accounts as established by the board, except that the fees, costs and expenses of establishing and administering the plan and the trust that are not paid under sections 5809 (relating to vesting), 5812(2) (relating to powers and duties of board), 5814(b) (relating to investments based on participant's investment allocation choices) and 5953(a)(2)(ii) (relating to taxation, attachment and assignment of funds) shall be paid by the Commonwealth through annual appropriations.