Madoff Insurance Company charges a customer according to his or her accident history. A customer who has had no accident during the last two years is charged a $100 annual premium. Any customer who has had an accident during each of the last two years is charged a $400 annual premium. A customer who has had an accident during only one of the last two years is charged an annual premium of $300. For a customer who has 20% probability of having an accident on any given year, what would be the average premium paid?