The maximum bid allowable under this paragraph shall not exceed the amount of the special allowance payable on eligible Federal PLUS Loans made under this paragraph computed under section
1087–1
(b)(2)(I) of this title (other than clauses (ii), (iii), (iv), and (vi) of such section), except that for purposes of the computation under this subparagraph, section
1087–1
(b)(2)(I)(i)(III) of this title shall be applied by substituting “1.79 percent” for “2.34 percent”.