Bob registered and paid in advance and in full to take a year of karate lessons for a total price of $1200 on special. Shortly after he starts the lessons, Bob hurts his left hand while at work and the doctor tells him no to use it for four months. Bob decides to cancel the lessons completely. The instructor refuses to give Bob back any money. What type of contract is this? What are all the illegal acts in this scenario? How much should Bob get back and why?