Catchwords
Contract – Penalty – Agreement to purchase service station from distributor of fuel – Collateral agreement requiring fuel to be purchased exclusively from distributor – Breach of collateral agreement – Termination of collateral agreement by distributor pursuant to contractual power – Option to buy back service station exercisable by distributor on termination of collateral agreement – Whether option void and unenforceable as a penalty – Whether exercise of option oppressive or extravagant and unconscionable compared with genuine pre-estimate of damage – Relevance of proportionality to penalty questions.