; or (B) the monthly amount payable under section 1814(c) of this title for the lowest level of disability prescribed for purposes of that section. (3) In the case of an eligible descendant suffering from the higher intermediate level of disability prescribed in the schedule for rating disabilities under subsection (b), the greater of— (A) $743; or (B) the monthly amount payable under section 1814(c) of this title for the intermediate level of disability prescribed for purposes of that section. (4) In the case of an eligible descendant suffering from the highest level of disability prescribed in the schedule for rating disabilities under subsection (b), the greater of— (A) $1,272