Notwithstanding Section 13340, there is hereby continuously appropriated, without regard to fiscal year, from the General Fund for the purposes of this chapter, an amount, subject to the limitations of this chapter, that equals the sum annually that is necessary to pay all obligations, including principal, interest, costs, expenses, rebate, legal, commitment, or other fees, and all other amounts incurred by the state under or in connection with bonds and any ancillary obligations payable entered into by the state. The amount hereby appropriated each fiscal year to pay principal on any bonds issued pursuant to this chapter and any ancillary obligations associated therewith may not exceed the outstanding principal amount of all bonds issued pursuant to this chapter. The amount appropriated each fiscal year to pay interest on any bonds issued pursuant to this chapter and any ancillary obligations associated therewith may not exceed 15 percent per annum of the outstanding amount of all bonds issued pursuant to this chapter. The amount hereby appropriated each year to pay costs, expenses, rebate, legal, commitment, or other fees and other amounts of any ancillary obligations may not exceed 5 percent per annum of the outstanding amount of all bonds issued pursuant to this chapter. Expenditures pursuant to this section shall reflect the efforts of the state to secure financing that results in the least cost to the state after considering both short-term and long-term financing costs.