CREATE TABLE table_43160 ("Year" TEXT, "Champion" TEXT, "Country" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Winner's share  (  $  ) " TEXT)

what is the victory margin with a 45,000 Winner's share
SELECT "Margin of victory" FROM table_43160 WHERE "Winner's share ( $ )" = '45,000'
SELECT "Margin of victory" FROM "table_43160" WHERE "Winner's share ( $ )" = '45,000'