This is a business law question PLEASE I really need HELP !!! PLEASE answer ALL questions!!!! THANK YOU.

In order for a novation to be valid, what has to happen? There must be a concurrent accord and satisfaction. The contract must be rewritten and new terms must be substituted. O All three parties must agree to the novation. The parties to the agreement must substitute a different date for completion of the contract. The parties must amend the agreement to add new consideration. Which of the following is a basis for discharge by operation of law when performance is still objectively possible but would be extraordinarily injurious or expensive to one party? O Anticipatory repudiation O Substantial performance O Subjective impossibility O Frustration of purpose O Commercial impracticability Which type of damages would occur if the parties specify in advance the amount of losses or a formula in assessing the losses against the breaching party? O Punitive O Statutory O Nominal O Consequential O Liquidated