(1) Subject to this section and section 122, the rate of pre-retirement allowance (in this Chapter referred to as "the scheduled rate") shall be the weekly rate set out in column (2) of Part I of the Fourth Schedule increased by -
(a) the amount set out in column (3) of that Part for any period during which the claimant or beneficiary has an adult dependant, subject to the restriction that the claimant or beneficiary shall not be entitled to an increase under this paragraph in respect of more than one person, and
(b) the appropriate amount set out in column (4) of that Part in respect of each qualified child who normally resides with the claimant or beneficiary.
(2) Pre-retirement allowance shall be payable where -
(a) the weekly means of the claimant or beneficiary do not exceed £2, at the scheduled rate, and
(b) such weekly means exceed £2, at the scheduled rate reduced by £2 for each amount (if any) of £2 by which those weekly means exceed £2, any fraction of £2 in those