There's on old saying "you don't work you don't eat".
Roddick and Fish didn't complete all the matches, so no finalist prize for them. Tournament lost money too.
Tier1(goat): Federer; Tier 1.5: Laver, Sampras, Nadal, Borg;
Tier 2: Lendl, Connors, Rosewall; Tier 2.5: McEnroe, Agassi