Rebecca owes Lewis $2,500 due on November 1. On August 15, Lewis assigns this right for value received to Julia, who gives notice on September 10 of the assignment to Rebecca. On August 25, Lewis assigns the same right to Wayne, who in good faith gives value and has no prior knowledge of the assignment by Lewis to Julia. Wayne gives Rebecca notice of the assignment on August 30. What are the rights and obligations of Rebecca, Lewis, Julia, and Wayne?