nd Mr. Steadman had previously contracted to modify the note's terms, those modified terms were what Green Tree was assigned. (See Mod. Agreement); Morse Elec. Prod. Corp. v. Beneficial Indus. Loan Co., 90 Wn.2d 195, 579 P.2d 1341, 1342 (Wash.1978) (holding that an assignee cannot acquire any rights in ex