1. On or before July 1, 1997, and every two years thereafter, the authority shall determine the weighted average, actual cost of issuance percentage for issuances under section 360.106 during the two years immediately preceding the date such determination is required.
2. On and after July 1, 1997, the grant amount for a school district under subsection 1 of section 360.113 shall be the lesser of the most recent weighted average, actual cost of issuance percentage, as determined by the authority pursuant to subsection 1 of this section, times the par amount of the bonds issued or the actual costs of issuance as determined by the authority.
3. Transfers made pursuant to a school district's participation in a direct deposit agreement under sections 360.111 to 360.118 shall be made at no cost to the school district.