Joint and several liability, vicarious liability, thin skull rule, crumbling skull rule, volenti non fit injuria and contributory negligence are some of the ways that we discussed in class to alter or affect how liability may be distributed among parties in a lawsuit. Select three of these principles (or any others that we discussed in class) and describe when the principle applies, explain how the principle impacts the assignment of liability between the parties and identify the purpose underlying the principle. (8 a