Assuming you know nothing more than the information for the individual listed, who would you expect to benefit from Social Security the most?

female; $35$ years old; single; average income while working is $$65,000$

male; $21$ years old; single; average income while working is $$135,000$

female; $87$ years old; married; average income while working is $$21,000$

male; $76$ yeas old; married; average income while working is $$93,000$