David is an elderly a bachelor who lives in Mansfield, in country Victoria. He lives by himself, rarely socializes, and is in poor health. He contacts his sister Kris, who lives in Darwin, and asks her to move to Mansfield and help look after him. He promises her that if she does, he'll leave all his property to her on his death. Kris agrees, resigns from her job that paid her $50,000 per annum, sells her house and moves away from her friends. She arrives in Mansfield and begins to care for her brother. Task In the column on the right hand side, provide an example of each of the following ways in which the agreement can end.

Performance :

Agreement :

Condition precedent :

Condition subsequent :

Operation of Law :

Breach:

Impossibility of Performance: