1. What is the purpose of a contract?1a. Explain the essential elements of a K.2. What is the difference between a bilateral K and a unilateral K? Give an example of each.3. What is the difference between an executory K and an executed K?4. What is the difference between an implied K and an express K?5. Explain the difference between a voidable K and a void K. Give an example of each.6. What must the Plaintiff show in order to establish an action based upon the Doctrine of Promissory Estoppel?7. What must the Plaintiff show to establish an action based upon a Quasi K?