Answer:
Under the presidential public funding program, eligible presidential candidates receive federal government funds to pay for the qualified expenses of their political campaigns in both the primary and general elections. The public funding program was designed to use tax dollars to:
Match the first $250 of each contribution from individuals that an eligible presidential candidate receives during the primary campaign; and
Fund the major party nominees' general election campaigns (and assist eligible minor party nominees).
This is what i reaserch because i dont know a lot about this