In addition to the amount retained by licensees pursuant to Section 26, each licensee may retain an additional amount up to 3 1/2% of the amount wagered on all multiple wagers plus an additional amount up to 8% of the amount wagered on any other multiple wager that involves a single betting interest on 3 or more horses. Amounts retained by organization licensees and inter-track wagering licensees on all forms of wagering shall be allocated, after payment of applicable State and local taxes among organization licensees, inter-track wagering licensees, and purses as set forth in paragraph (5) of subsection (g) of Section 26, subparagraph (A) of paragraph (11) of subsection (h) of Section 26, and subsection (a) of Section 29 of this Act. Amounts retained by inter-track wagering location licensees under this Section on all forms of wagering shall be allocated, after payment of applicable State and local taxes, among organization licensees, inter-track wagering location licensees, and purses as set forth in paragraph 5 of subsection (g) of Section 26 and subparagraph (B) of paragraph (11) of subsection (h) of Section 26.