A binding contract will only be enforceable against a party to a contract if that party entered into the contract willingly. Describe the circumstances in which a binding contract may be rendered unenforceable due to a lack of genuine consent. In your response: Outline at least one (1) example of a 'vitiating factor', explaining the effect of the vitiating factor/s on the contract; AND Refer to relevant case law and/or legislation to support your answer.