When Stella Finman learned that she was terminally ill, she drafted a will leaving all her property to her son. During her period of illness, Stellas attorney, Shyster Hurtz, tended to all her financial af fairs and provided her emotional support while her son was away on frequent extended vacations. When the will was read upon Stellas death, it said that her lawyer would get a 40 percent stake in Finman Corp., a company Stella owned. Upon investigation, it was revealed that Stella's lawyer took advantage of Stella's weakness and persuaded her to change the contractual terms. This is an instance of ________.

a. Negligent misrepresentation. b. Undueinfluence. c. Duress. d. Negligent infliction of emotional distress.