All fees paid to the department in accordance with the Nebraska Milk Act shall be remitted to the State Treasurer for credit to the Pure Milk Cash Fund, which fund is hereby created. All money credited to the fund shall be appropriated to the uses of the department to aid in defraying the expenses of administering the act. Any money in the fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act.