Theresa has a contract to teach eighth grade at Washington Middle School. She decided she could make more money writing a book, so she assigns her teaching contract to her friend, Stephanie, who is also a licensed teacher. The duties under the teaching contract:a. The duties under the teaching contract are nondelegable.b. The duties which Theresa has attempted to delegate are personal in nature.c. If the school district agrees to accept Stephanie's services, a novation would occur, which would relieve Theresa of her obligation to the school district.d. All of the above are correct.