Notwithstanding other provisions of law to the contrary, the Missouri state highway patrol is hereby authorized to sell surplus highway patrol motor vehicles, watercraft, watercraft motors, and trailers. Sales to municipal, county, political subdivisions or state governmental agencies shall be given preference over sales to the general public. Vehicles, watercraft, watercraft motors, and trailers may be offered for sale only after approval is given in writing by the commissioner of administration and an evaluation is made of each asset and a price determined by the commissioner of administration. The highway patrol shall accept not less than the amount authorized by the commissioner of administration for the sale of vehicles, watercraft, watercraft motors, and trailers.