The Metropolitan Sports Facilities Commission may authorize, by resolution, technical, professional, or financial assistance to the county and authority for the development and operation of the ballpark upon such terms and conditions as the county or authority and the Metropolitan Sports Facilities Commission may agree, including reimbursement of financial assistance from the proceeds of the bonds authorized in this chapter. Without limiting the foregoing permissive powers, the Metropolitan Sports Facilities Commission shall transfer $300,000 from its cash reserves to the county on or prior to January 1, 2007, for use in connection with preliminary ballpark and public infrastructure costs, which amount shall be repaid by the county from collections of the tax authorized by section 473.757, if any.