? Esso Petroleum Ltd v Commissioners of Customs and Excise
– Esso Petroleum creates a set of commemorative coin as a collective item to maximize their revenue. With the promotion that the customers who purchase four gallons of Esso petroleum can get the coin. However, the Commissioner of Customs and Excise disputed that the coin should be subjected to purchase the tax because the coin was produced in measure for general sale.
? Ermogenous v Greek Orthodox Community of SA Inc.
– Ermogenous was invited to be a Head of the Greek Orthodox Church in Australia where he used to be served as archbishop for 23 years. At first, the community accepted to pay him the accumulated leaves
– Consideration
? Thomas v Thomas (1842) QB 851
? Stylk v Myrick (1809) 2 camp 317; 170 ER 1168
? Carlill v Carbolic Smoke Ball Co

Question 2: Logan v Government of Western Australia
Step 1:
– The principle of law is that for a valid contract to be formed there must be an agreement reached by both Logan and Government of Western Australia.