Bill Heise is a janitor for the First Mercantile Department Store. While walking to work, Bill finds an expensive watch lying on the curb. Bill gives...

Bill Heise is a janitor for the First Mercantile Department Store. While walking to work, Bill finds an expensive watch lying on the curb. Bill gives the watch to his son, Otto. Two weeks later, Martin Avery, the true owner of the watch, discovers that Bill found the watch and demands it back from Otto. Explain who is entitled to the watch, and why.