If the poverty line in $2017$ for a family of four was $$24,600,$ which of the following is correct?

a$.$ The cost of a minimal diet for a family of four was $$4,100.$

b$.$ Unemployment benefits covered the first $$24,600$ of lost income.

c$.$ Social security payments for the year totaled a minimum of $$24,600$ for a family of four.

d$.$ The cost of a minimal diet for a family of four was $$8,200.$