What is an excess of revenues over expenses called in business?

The largest share of people who applied for amnesty under the 1986 U.S. immigration reform lived in which state? What is it called when two couples go out together for an evening? A former DuPont chemist from New Hampshire introduced which brand of food storage containers in 1946? Which lively Spanish dance shares its name with a famous 1928 orchestral work by Maurice Ravel? Which war ended with an armistice in November 1918? What is an exclusive news story for a reporter called? An executive order dated November 29, 1963, created which investigative body? What is an expensive vessel used for pleasure cruising or racing called, from a Dutch word for "hunt"?