A number holder (NH) has excess earnings of $400. They also receive parent's benefits.
Entitlement of NH and child on NH's own ER
NH - $132.30 (2/4)
Child - $66.20 (1/4)
NH's entitlement to parent's benefits on another SSN
Parent - $66.20
How NH's excess charged to January Benefits
NH - $132.30
Child - $66.20
Parent - $66.20
Total - $264.70
How NH's remaining excess of $135.30 charged to February
NH and Child - $101.50 (3 shares)
Parent - $33.80 (1 share)
Total - $135.30
(Parent benefit = proportionate share of the excess rounded to the next lower multiple
of $.10 1/4 x $135.30 = $33.82 rounded to $33.80.)
The total amount to be charged to the NH's ER for the month less the amount to be
charged to parent's benefits ($135.30 minus $33.80 = $101.50).
Partial benefits payable for February
NH and child - $97.00 ($198.50 minus $101.50)
Parent - $32.40 ($66.20 minus $33.80)
Total - $129.40
(Total partial benefit of $97 for the NH and child prorated in the ratio of 2:1.)
Proportion of family benefits for February
NH - $64.70 (2/3)
Child - $32.40 (1/3)
(Round the benefits down to the next lower dollar.)