Cancellation, Recission, Release and Contingencies

compare and contrast the concepts of cancellation, rescission and release. When are these appropriate measures to end an agreement of sale? If you are the seller, when might you choose to litigate rather than release? If you are a buyer, when might you choose to litigate to force release? 150 words

Explain and evaluate contingencies. define a contingency. List three examples of contingencies and evaluate how they may affect the close of the sale. 150 words