(1) It is the intent of the legislature that the financing program authorized by this chapter be self-supporting.
(2) The state treasurer is authorized to levy fees and apply specified investment earnings from time to time in amounts not to exceed sums sufficient to pay program expenses including, but not limited to, costs of issuance, and to create reserves to assure timely payment of financing contracts. The investment earnings available for this purpose represent the earnings on payments received from state and other agencies.