Oscar: Profitable Oscar Winning Best Picture

Question: Which is the most profitable Oscar winning picture in terms of ratio of  input (budget) to output (box-office gross)?








Made on a miniscule budget of $1 million, and shot in only 28 days, “Rocky” became a sleeper hit,  The movie earned $225 million in the global box-office, thus qualifying as the top grossing film of 1976, and the most profitable Oscar-winning picture, not in terms of absolute figures, but in terms of input-output ratio of 1:225.